Case Studies
Case Studies on Recent Short Span Steel Bridge Projects
Thousands of short span steel bridges have been constructed over the past several decades. This section provides case studies for projects in the United States and Canada, including:
- Buried Steel Bridges
- Truss Bridges
- Press and Folded Plate Bridges
- Rolled Beam and Plate Girder Bridges
- Pedestrian Bridges
- Prefabricated Bridges
Case Study
Modular Steel Bridge Keeps Rural Wyoming Connected
Acrow’s modular steel detour bridge in Alpine, Wyoming, ensures safe traffic flow while the Salt River bridge undergoes repairs.
Case Study
Bridges of Franklin County: Why Missouri is Turning to Steel
Franklin County, Missouri, saved $283,000 by selecting steel over concrete for four short-span bridge projects, demonstrating that simplified designs combined with a competitive bidding process can deliver exceptional value, durability and long-term performance.
Buried Bridge
Buried Steel Bridge Preserves Streambed While Supporting Heavy Loads
A new galvanized buried steel bridge in Riverside, Iowa, supplied by SSSBA member Lane Enterprises, replaced a weight-restricted structure and restored direct access for local farmers. Its open-bottom steel design preserves the natural streambed, enhances durability, and provides a cost-effective solution for rural infrastructure.
Case Study
“Hot Off the Printer” – Modern Steel Construction
In a Modern Steel Construction article, AISC highlighted the potential of 3D printing with steel by assembling a team of industry experts to design and fabricate a 36-foot-long 3D-printed bridge showcased at NASCC: The Steel Conference.
Case Study
Prefabricated Steel Detour Bridges Minimize Work Zone Impact of Highway Construction in Southern Indiana
SSSBA member Acrow supplied two prefabricated modular steel bridges to keep traffic moving during major infrastructure projects in Clark and Floyd Counties, Indiana.
Case Study
Prefabricated Steel Bridge in North Dakota Earns National Recognition
Fabricated by SSSBA member TrueNorth Steel, the Goose River bridge in North Dakota was completed in just two months and earned an AISC/NSBA 2024 Prize Bridge Award.
Case Study
Michigan DOT Selects Modular Steel Bridge for Detour Solution
The Michigan DOT selected a modular steel bridge from SSSBA member Acrow for US-131 in Kalamazoo, ensuring continuous traffic flow and uninterrupted rail operations during the replacement of two aging bridges.
Buried Bridge
Buried Steel Bridge Protects Wildlife and Motorists in New Mexico DOT Project
The New Mexico DOT buried steel bridge project, featuring SSSBA member Contech’s custom structural plate design, was honored as the NCSPA Project of the Year for its innovative wildlife crossing solution on I-25 at Raton Pass.
Accelerated
“New and Improved” – Modern Steel Construction
In an article from Modern Steel Construction, the emergency replacement of a damaged northwest Pennsylvania bridge resulted in a safer, more efficient steel bridge, with SSSBA member High Steel Structures as the fabricator and detailer for the project.
Case Study
Steel in Action: On-Demand Steel Bridge Video Series
Watch this four-part, on-demand video series featuring expert-led case studies on cost-effective, resilient short span bridge projects—now available with downloadable presentation materials.
Truss
“Go for Galvanized Trusses” – Modern Steel Construction
In an article from Modern Steel Construction, discover nine reasons why a galvanized steel truss bridge was the best solution for a rural Ohio creek crossing and why those same reasons may apply to your next local road project.
Case Study
Galvanized Steel Railway Bridge Assembled Off-Site, Installed in 11-Days
The Assonet River Railroad Bridge in Massachusetts was fully assembled off-site using galvanized steel and installed in just 11 days, minimizing environmental impact and ensuring long-term durability for expanded commuter rail service.
Decks
Pennsylvania County Selects Hot-Dip Galvanized Steel for Urgent Bridge Project
For a recent bridge replacement, Mercer County chose a hot-dip galvanized steel bridge to ensure a durable, cost-effective solution that could be delivered quickly and withstand a corrosive environment.
Press Brake & Folded Plate
Press-Brake Tub Girder Delivers Modern Upgrade for Historic Alabama County Bridge
After over 80 years of wear from daily traffic, the Parkwood Road Bridge was upgraded with Valmont’s U-BEAM™ system to enhance safety and streamline construction.
Case Study
Whitman County Saves 32 Percent with Steel Superstructure
By choosing a steel beam girder bridge, the county reduced the overall project costs and decreased the time for construction.
Buried Bridge
Corrugated Steel Animal Overpass Reduces Wildlife-Vehicle Collisions
The corrugated steel Stoney Nakoda Exshaw Wildlife Arch in Western Canada showcases the balance of engineering and environmental stewardship, setting a new standard for wildlife-friendly infrastructure.
Sustainability
Steel Bridge Restores Fish Migration in Olympic National Forest
A new 70-foot steel bridge in the Olympic National Forest restores a vital fish passage, demonstrating steel’s durability and adaptability for environmentally sustainable infrastructure.
Press Brake & Folded Plate
Missouri DOT Fast-Tracks Bridge Replacement with Steel Solution
The Missouri Department of Transportation (MoDOT) replaced an aging bridge to enhance safety and accessibility, using a press-brake tub girder bridge from SSSBA member Valmont Structures.
Press Brake & Folded Plate
Whiteside County (IL) Selects Steel Bridge Solution for Short Lead Time
Russ Renner, Whiteside County Engineer, decided on a steel solution for an upcoming 105′ long bridge replacement project.
Rolled Beam & Plate
MoDOT Reimagines Rural Steel Bridges through SDCL Design
Missouri Department of Transportation’s FARM Bridge Program applies Simple for Dead Load and Continuous for Live Load (SDCL) steel bridge design to deliver cost-effective and durable solutions for rural bridge replacements.
Buried Bridge
Buried Steel Bridge Reconnects Aquatic Habitat for Alabama County
St. Clair County, Alabama, restored critical habitats for endangered species by replacing two polyethylene culverts with a buried steel bridge to reconnect a fragmented aquatic ecosystem.
Case Study
“Press Forward” – Modern Steel Construction
The durability and rapid installation of press-brake-formed tub girders made them the optimal choice for replacing a concrete short-span bridge in Illinois
Case Study
Modular Steel Bridges Support Traffic During Alabama Bridge Replacement
SSSBA member Acrow’s modular steel bridges reduce motorist disruption during an Alabama bridge replacement project.
Buried Bridge
Buried Steel Bridge Saves Ohio County $17,000
Logan County, Ohio, self-installed a buried steel bridge from SSSBA member Contech, saving over $17,000 compared to other options.
Case Study
NCSPA Project Spotlight: Corrugated Steel Used for Culvert Rehabilitation Project
The National Corrugated Steel Pipe Association (NCSPA) spotlights a project that used galvanized corrugated metal pipe to rehabilitate a damaged culvert.
Case Study
Modular Steel Bridge Maintains Traffic During Bridge Replacement
A modular steel bridge from Acrow maintains heavy-duty truck traffic throughout a bridge replacement project in Utah.
Press Brake & Folded Plate
Whiteside County (IL) Uses FHWA Funds for Accelerated Steel Bridge Project
Russ Renner, a Whiteside County Engineer, saved up to 12 weeks of lane closures by installing a steel bridge for the crossing.
Case Study
Modular Steel Bridge Reduces Traffic Delays During New Jersey Highway Construction
A modular steel bridge from Acrow prevents travel disruptions by providing detours for locals and tourists in northern New Jersey.
Case Study
Buried Steel Bridge Connects Community College Campus
The National Corrugated Steel Pipe Association (NCSPA) spotlights a project that used corrugated structural steel to connect a North Carolina college campus.
Case Study
Corrugated Steel Pipe Safeguards Rail System from Excessive Storm Water
The National Corrugated Steel Pipe Association (NCSPA) spotlights a project that used corrugated steel pipe to provide a storm water solution in only 8 hours.
Case Study
Acrow Bridge Carries Detour Traffic During Highway Construction in Oklahoma
A modular steel bridge from Acrow prevents travel disruptions by providing detour for locals and tourists in Okfuskee County, Oklahoma.
Case Study
Short Span Steel Bridge Projects Win Prize Bridge Awards
Two short span steel bridges that featured multiple SSSBA members were recently honored with bridge awards by NSBA.
Case Study
NCSPA Project Spotlight: Corrugated Steel Used to Rehabilitate Railroad Bridge Piers
The NCSPA spotlights a project that used galvanized corrugated steel forms to rehabilitate a railroad bridge.
Case Study
Modular Steel Bridges Reconnect Routes After Flooding in California
Two Acrow modular steel bridges were installed to reconnect flood-damaged routes in San Luis Obispo County in California’s Central Coast region.
Buried Bridge
On-Demand Steel Bridge Video Series: Learning By Example
A distinguished panel of 8 industry experts to present case studies that offer innovative and cost-effective examples of steel bridge replacement projects.
Case Study
Modular Bridge Reconnects Key Route After Culvert Collapse in Colorado
After rushing waters caused the collapse a culvert, Acrow installed a steel modular bridge to reopen traffic in only 2 weeks.
Case Study
Steel Bridge Provides TDOT With Accelerated Solution, Restores School Bus Route
A steel press-brake-formed tub girder bridge offered a quick solution to restore a school bus route in Tennessee.
Press Brake & Folded Plate
Barron County Installs Wisconsin’s First Steel Press-Brake Formed Tub Girder Bridge
Mark Servi, Barron County Highway Department, provided leadership for the construction of Wisconsin’s first press-brake tub girder steel bridge.
Durability & Coatings
Iowa County Uses Galvanized Steel for ‘Long Lasting’ Bridge Project
Watch an interview with county engineer Brian Keierleber regarding the Buffalo Creek Bridge project in Buchanan County, Iowa.
Buried Bridge
Union Pacific Bridge Replacement Wins NCSPA Project of the Year Award
A timber trestle Union Pacific Bridge was rehabilitated using polymer-coated structural plate pipe without disrupting rail operations.
Case Study
Temporary Steel Bridge Provides Safe Detour During Highway Construction in Texas
Acrow supplied a modular steel bridge as a cost-effective alternative for a phased construction project in Nacogdoches County, Texas.
Buried Bridge
Connecticut DOT Buried Steel Bridge Wins NCSPA Project of the Year Award
The Yellow Mill Bridge project had specific needs that had to be met – a custom steel buried bridge provided by Contech Engineered Solutions met all of them.
Case Study
Acrow’s Modular Steel Truss System Supports Rehabilitation of Historic Covered Bridge
Acrow designed and supplied a freestanding modular steel truss system to provide support for the restoration of a historic covered bridge in Québec.
Truss
Suspended Steel Truss Bridge Connects Continents, Generations
U.S. Bridge designed and erected a steel truss bridge, over a historic 190-year old existing structure, to allow traffic to use a key connector in Ohio.
Buried Bridge
County-Built Steel Plate Arch Bridge Turns 82
Built in 1941 by the Union County (Iowa) county crew, a 30 foot structural steel plate arch bridge is still performing well after 82 years.
Truss
Historic Steel Truss Bridge Rehabilitated, Placed Back In Service
Quality Bridge & Fab, Inc. fabricated the steel to rehabilitate a historic 146 year old bowstring truss bridge in Pennsylvania.
Case Study
Acrow Bridge Permits Uninterrupted Traffic Flow During Highway Construction in Colorado
A modular steel bridge from Acrow minimizes travel disruptions for locals and tourists in Delta County, Colorado.
Truss
Steel Truss Bridge Preserves Crossing for Miami County
U.S. Bridge answered the call with a steel truss bridge when Miami County, Ohio required a replacement structure that would limit the impact to the surrounding property.
Press Brake & Folded Plate
Peoria County Looks to Steel for Innovative Bridge Replacement Project
Jeff Gilles, Peoria County Assistant Engineer, discusses the new Evans Mill Road Bridge featuring the use of steel press-brake tub girders.
Education
Steel Bridge Case Studies
Presentations from a five-part webinar series covering topics essential to the design and installation of steel bridges are now available on-demand.
Buried Bridge
Mason County (WA) Installs Buried Steel Bridge With Local Crews, Saves Money
Mason County (WA) provided cost savings to their residents by installing a Contech 30′ 8″ span x 9′ 8″ rise deep corrugated steel box culvert bridge with their local road crew.
Buried Bridge
Steel Culvert Saves Minnesota County Time and $15,000 Over Concrete Options
Olmsted County needed a cost-effective solution to quickly replace a concrete structure before it collapsed – steel saved $15,000 and took less than 2 days to install.
Case Study
Acrow’s Modular Steel Bridges Reconnect Communities Impacted by Extreme Weather
Acrow supplied a permanent and temporary bridge to quickly reconnect communities in Northern Italy impacted by an extreme weather event.
Buried Bridge
Buried Steel Bridge Saves $500,000 and Three Months Versus Concrete Option
Contech wins the NCSPA Project of the Year award for the I-44 EB & WB buried steel bridge in Missouri.
Buried Bridge
Norfolk Southern Bridge Wins NCSPA Project of the Year Award
The award winning Norfolk Southern Bridge over Stoney Creek is a classic example of how structural integrity to an existing bridge can be restored without disrupting rail operations.
Case Study
Five Game-Changing County Steel Bridge Projects
These 5 county projects are changing the way bridges are designed and constructed.
Buried Bridge
Buried Steel Bridge: High Speed Railway Ecological Overpass
This award winning project is the first ever corrugated steel plate ecological overpass constructed on a high speed railway in the world!
Press Brake & Folded Plate
Michigan Governor Announces First Steel Bridge in Bundling Project Open to Traffic
Due to their flexibility and low-cost, press-brake tub girders were selected by the Michigan DOT for 19-bridge bundling project.
Buried Bridge
Buried Steel Bridge Designed for 100-Year Service Life
The deep corrugated structural plate bridge enables safe vehicle traffic as well as free water flow of the Bauda River in Poland.
Press Brake & Folded Plate
Michigan DOT Selects Steel for 19-Bridge Bundling Project
Due to their flexibility and low-cost, Valmont’s press-brake tub girders are selected for 19-bridge bundling project. Follow the project’s progress in real-time.
Press Brake & Folded Plate
County Engineer Presents Benefits of Press-Brake Tub Girders at Illinois Conference
Champaign County completed the installation of the first prefabricated steel press-brake tub girder bridge in the state of Illinois.
Truss
Steel Truss Bridge Reunites Community After Woolsey Fire Decimates Region
After the Woolsey fire burned down the Mulholland Highway bridge, U.S. Bridge stepped in to reunite the community with a new steel truss bridge.
Buried Bridge
Buried Steel Bridge Provides Solution for Deteriorated Concrete Arch
The Kansas Department of Transportation elected to replace an existing concrete arch in place using a deep corrugated structural plate buried bridge from Big R Bridge.
Press Brake & Folded Plate
Press-Brake Tub Girder Technology Expands to Multi-Span Applications
Valmont Structures installed a 104’ multi-span bridge using PBTG technology in a single morning.
Case Study
Washington Tribe Installs Fast Cast Bridge® in One Day
The Confederated Tribes of the Chehalis Reservation installs a Fast Cast Bridge® to resolve a critical safety concern and avoid a long-term road closure.
Truss
U.S. Bridge Provides Signature Truss Bridge for Luxury Development
U.S. Bridge recently completed the construction of a weathering steel truss bridge for the Marble Cliff development in Columbus, Ohio.
Case Study
Acrow Bridge Restores Route for Residents Impacted by Hurricane
Acrow supplied a modular steel bridge to provide passage between the communities impacted by Hurricane Ida.
Buried Bridge
Buried Steel Bridge Provides Crossing for Reindeer
In an effort to safely help the reindeer cross through a busy highway, officials in Norway decided it was time to install a wildlife crossing.
Press Brake & Folded Plate
Illinois Installs State’s First Steel Press-Brake Tub Girder Bridge
Champaign County completed the installation of the first prefabricated steel press-brake tub girder bridge in the state of Illinois.
Buried Bridge
Buried Steel Bridge Selected Over Concrete to Reduce Environmental Impact
A buried steel bridge was constructed as an alternative to a concrete structure to reduce disruptions to the surrounding environment and allow quick installation.
Case Study
County Saves $30,000 Using a Prefabricated Steel Bridge Instead of Concrete
Whitman County, Washington installed a prefabricated steel bridge using a local county crew and saved $30,000 over a concrete structure.
Buried Bridge
Steel Plate Arch Buried Bridge Provides Natural Pathway for Fish to Spawn
The Falcon Ridge 11.5′ fish passage structure provide easy fish passage for the local spawning trout and steel head.
Case Study
PennDOT Uses Corrosion-Resistant Steel for Flex Beam Pilot Bridge Project
The innovative design extends the service life of a new bridge by using A709-50CR steel.
Case Study
Philadelphia Reconstruction Project Wins NSBA Steel Bridge Award
The Vine Street Expressway (I-676) Bridge reconstruction project wins the National Steel Bridge Alliance 2020 Short Span Prize Bridge Award.
Case Study
Buchanan County Provides Virtual Tour of Iowa Steel Bridges
In this 20 minute video, county engineer Brian Keierleber provides an in-depth overview of 5 steel bridges built in Buchanan County, Iowa.
Buried Bridge
Caltrans Buried Steel Bridge Project Includes ‘Critter Crossing’ for Wildlife
The award winning Caltrans Lake 29 Expressway buried steel bridge project features over 150 tons of steel products.
Buried Bridge
Buried Steel Bridge Combines Functionality with Green Design
The award winning Land Bridge was constructed using Contech’s galvanized, deep-corrugation structural plate arch system.
Buried Bridge
Johnson Creek Buried Bridge Wins NCSPA Project of the Year Award
The Johnson Creek project involved removing a fish barrier and replacing it with a fish-friendly, bottomless arch.
Sustainability
Temporary Steel Bridge Reused to Help Remote Haitian Community
The Fore River Temporary Bridge (Massachusetts) repurposed to becomes the New Riviere Cochon Gras Bridge (Haiti).
Case Study
Acrow Helps Restore Transportation Lifelines in Mozambique
Acrow provides 26 modular steel bridges to Mozambique to restore vital transportation routes damaged by cyclones in 2019.
Buried Bridge
Buried Steel Bridge Wins Award
Contech buried steel bridge wins the ASCE Parks & Rec Project of the Year for project in City of Laguna Niguel, California.
Buried Bridge
Contractor Saves $15,000 With Steel Structural Plate Arch
The 9’-0” x 3’-10½” single- radius steel structural plate arch was assembled by the contractor and installed in only two days.
Blog
Ohio County Accelerates Cost-Effective Bridge Replacements With Steel
County saves over $10,000 using galvanized steel beams over concrete box beams.
Rolled Beam & Plate
Steel Bridge Improves Habitat Conditions for Fish and Wildlife
A 75-foot single span rolled beam bridge in Oregon improves habitat conditions for fish and wildlife by restoring natural stream hydrology.
Case Study
Iowa County Saves Costs by Choosing Buried Steel Bridge for Replacement Project
Buried steel bridge is constructed with local crews in Buchanan County Iowa.
Case Study
Weathering Steel Pedestrian Bridge Preserves Beauty of Park Area
A 32-foot weathering steel pedestrian bridge was constructed to preserve the beauty of an idyllic setting while being cost-effective.
Case Study
Amish Sawmill Bridge: An Innovative Steel Solution for Short Span Bridge Design
Buchanan County Iowa receives IBRC grant to constuct a press brake tub girder bridge.
Case Study
Plate Girder Short Span Steel Bridge is Built Using Design From eSPAN140
The High Point Lane bridge in Missouri was built utilizing preliminary designs generated from eSPAN140.
Case Study
Texas Public Works Uses Prefabricated Bridge for Replacement Project
Contractor uses press brake tub girder for its ease of construction and short lead time (less than 8 weeks).
Case Study
Saving Time in Michigan with Press-Brake-Formed Steel Tub Girders
St. Clair County Michigan Uses Press Brake Tub Girders for ABC Project.
Case Study
Short Span Shake-Up
Missouri short span bridge study finds steel saved 25% over concrete.
Case Study
Cedar Creek Fish Passage Restoration Del Norte County, California
Video of a modular bridge installation that took place for the replacement of a culvert in a California fish passage.
Sustainability
Ohio County Finds Creative, Sustainable Steel Solutions for Bridge Replacement
Muskingum County saved $51,000 by using repurposed beams.
Case Study
Innovative Bridge Design Saves Months in Construction Schedule
Muskingum County (Ohio) uses press brake tub girder bridge for accelerated bridge project.
Case Study
Missouri DOT Selects Steel for 45 Foot Span Bridge in Scott County
Galvanized rolled steel beam beat out concrete by 2.5 percent in this Missouri DOT project.
Case Study
Midland County Bundles Innovative Steel Bridge System and Saves Big
The new Orr Road Bridge in Midland County, Michigan, is a press brake fabricated steel bridge.
Case Study
Ohio Bridge Raises the Bar for Future Short Span Construction
The Cannelville Road Bridge in Ohio was completed ahead of schedule, and is expected to have a service life of more than 100 years.
Short Span Steel Bridges