Opened in 1889, Merchants Bridge over the Mississippi River is the second-oldest river span serving the St. Louis region, and by 2018, it had far exceeded its design life.
The $31-million Hemphill-Lamar Connector in Fort Worth involved building a four-lane, 400-ft-long tunnel under the city’s primary east-west freeway and relocating four active rail lines near one of the country’s busiest rail intersections.