PROJECTS
We design and supply innovative bridge solutions across the U.S. that are prefabricated custom to site conditions and infrastructure owner needs.
MDOT I-75 UNDER HOLBROOK AVENUE
DETROIT, MI
BACKGROUND
Due to supply chain and fabrication challenges, Michigan contractors needed alternatives to MDOT’s metal mesh panels used for protective shielding (also known as false decking) to protect people and property beneath spalling bridge decks throughout the state. MDOT inspection and maintenance staff discovered a significant number of bridge decks with delamination needing repaired or replaced. Without funds available to repair immediately, a temporary solution was needed to prevent concrete from falling onto traffic below. Historically, MDOT had been placing lumber or metal mesh panels on the bottom flange of bridge girders to catch the debris that fell from the deck. Over time, they noticed the lumber would deteriorate or rot and was a risk to inspection staff. The metal mesh panels worked better for inspections from below, but they were heavy, expensive, and had limited fabricators capable of producing the quantities needed.
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INFRASTRUCTURE OWNER
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KDOT I-635 OVER K-5 INTERCHANGE BRIDGE DECK REPLACEMENTS
WYANDOTTE COUNTY, KS
BACKGROUND
The Kansas Department of Transportation looked to TrueTech Bridge and ClearCast Forms to safely speed construction at the I-635 and K5 Interchange bridge deck replacement project near Kansas City, KS. The curved and superelevated decks were supported by continuous composite steel girders built in 1974 and in need of rehabilitation. Due to the high volume of traffic along I-635 and K-5, KDOT specified transparent stay-in-place forms for the two-stage deck replacement to save time in the schedule, without compromising inspection of the underside of the deck.
Miles Excavating Inc. was awarded the contract and partnered with TrueTech Bridge on the design & supply of the ClearCast Form System. The first stage of the deck pour was completed in the Spring of 2022 and the remaining decks completed by the Fall of 2022.
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INFRASTRUCTURE OWNER
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US20 OVER I-80/I-90 (INDIANA TOLL ROAD)
LAPORTE COUNTY, IN
BACKGROUND
As part of INDOT’s improvements to US20, a continuous composite steel beam bridge built in 1957 and reconstructed in 1989 was planned for rehabilitation with bridge painting and deck replacement. The 5-span steel girder bridge over the Indiana Toll Road in LaPorte, Indiana was originally formed with corrugated metal forms and needed to be replaced after 31 years in service. INDOT specified transparent stay-in-place forms for the two-stage deck replacement to keep the productivity contractors are accustomed to while gaining visibility to the underside of the deck to inspect, maintain, and preserve the deck. The goal is to improve the service life with treatment, starting with better inspection data.
JCI Bridge Group was awarded the contract and partnered with TrueTech Bridge on the design & supply of the ClearCast Form System. The first stage of the deck pour was completed in the Spring of 2020 and the second stage in the Summer of 2020.
CONTRACTOR
INFRASTRUCTURE OWNER
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U.S. 63 OVER CHICAGO CENTRAL & PACIFIC RAILROAD
WATERLOO, IA
BACKGROUND
Due to frequent flooding of U.S. 63 under the railroad bridge in Waterloo, the Iowa DOT designed a new grade separation to raise the elevation of U.S. 63 over the Chicago Central and Pacific Railroad. The new overpass will help emergency responders access the hospital just north of the project, as well as improve vehicular and pedestrian traffic in the area. Peterson Contractors Inc. sought to use stay-in-place forms to speed placement of the deck due to limited work windows above the active railroad and avoid additional flagging time and man-hours removing the temporary wood deck formwork. Video by Brownstone Marketing
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BERKELEY AVENUE/I-5 SOUTHBOUND ON-RAMP BRIDGE
LAKEWOOD, WA
BACKGROUND
To improve traffic flow at the Berkeley Avenue SW and I-5 interchange in Lakewood, the Washington DOT required the replacement of the bridge over I-5, including construction of a new on-ramp bridge for traffic heading southbound on I-5. Atkinson Construction contacted TrueTech Bridge for a stay-in-place form option that would increase productivity and safety for their crews on site, while still allowing for long-term visibility to the bottom of the deck for inspection. This was a major milestone in bridge deck construction in the state of Washington, as WSDOT had not previously allowed the use of stay-in-place forms in the state prior to this project.
CONTRACTOR
INFRASTRUCTURE OWNER
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ISTHA EDENS SPUR (I-94) OVER METRA RAILROAD
COOK COUNTY, IL
BACKGROUND
As part of the Illinois Tollway’s 15-year program “Move Illinois: The Illinois Tollway Driving the Future”, a bridge constructed in 1958 was required to be removed and replaced to improve traffic flow along Edens Spur (I-94), with daily traffic of up to 57,000 vehicles. Walsh Construction partnered with TrueTech Bridge for a stay-in-place form option that would increase productivity and safety for their crews while working over the active Metra Railroad. While the Illinois Tollway traditionally has not allowed conventional stay-in-place forms, they were open to using ClearCast Forms as an alternative to removable forms. This decision led to reduced railroad flagger costs during construction, and will allow for future inspections of the bottom of the deck.
CONTRACTOR
INFRASTRUCTURE OWNER
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FRANKLIN AVENUE OVER I-35 WEST
MINNEAPOLIS, MN
BACKGROUND
To improve transit and public access to the Lake Street Business District along I-35W, MnDOT undertook the 35W at 94 Downtown to Crosstown project. The project required replacement of the Franklin Avenue Bridge, which carried communication conduit over I-35W. Once new Precast Bulb T-Beams were set in place, there was limited space to safely strip the deck forms from below due to the duct bank. Lunda Construction and MnDOT contracted TrueTech Bridge for a stay-in-place form that would both accommodate the duct bank and enable long-term visibility.
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INFRASTRUCTURE OWNER
