Dive summary:

• The Texas Department of Transportation is no stranger to using precast bridge elements, and a replacement for the 100-year-old West Seventh Street bridge is expected to be completed seven months sooner than a conventional project because it uses 12 precast concrete arches.
• The $26 million project will have the arches set on columns alongside the existing bridge, and completion is scheduled for this fall.
• Each 300-ton arch is 163.5 feet long and contains the connections for steel to protect pedestrians from traffic, but also allow a nearly open view of the Trinity River.

From the article:

TxDOT has a long history of building durable, high-strength, precast concrete bridges quickly and at costs that consistently rank among the least in the nation. ...