Category: Articles

Ramping Up

Every Metro Area includes intersections that drivers dread. For Twin Cities drivers, navigating the intersection of TH169 and I-494 meant traveling through three sets of traffic signals in short succession and dealing with frequent bottlenecks. (TH169 is a U.S. Highway; “TH” stands for “Trunk Highway.”) In addition to delays, the congestion in the interchange often resulted in traffic accidents. Improvements to […]

Alternative Approach

The Lake of the Ozarks is one of Missouri’s most prominent recreation and tourism destinations. MO Route 5 is a main access road into this region. The route crosses the Osage arm of the lake via the Hurricane Deck Bridge, originally built in 1936 as a 2,200-ft-long steel deck truss structure with 463-ft spans supported on dredged caissons in up […]

Full-Speed Ahead

The new Blue Line extension to the Washington, D.C.-area Metrorail system features steel bridges for cost savings and construction speed. The first ever large-scale design-build project awarded by Washington Metropolitan Area Transit Authority (WMATA) is a 3.1 mile-long extension of the Blue Line on Washington D.C.’s Metro rail system. This extension is located in Prince George’s County, MD, east of the capital, and is […]