Precast prestressed concrete pavement was installed on a section of frontage road along I-35 near Georgetown, Texas. Although constructed on a frontage road, the panels were designed for the traffic loading of the mainlanes of I-35. The panels were installed over a 2-inch hot mix asphalt leveling course. Both full-width and partial-width (or lane-by-lane) construction were tested. The full-width panels spanned the 36-foot width of the roadway, including two lanes plus inside and outside shoulders. Armored expansion joints were used for the joint panels and central stressing was utilized for longitudinal post-tensioning.

CLIENT: TEXAS DEPARTMENT OF TRANSPORTATION (TXDOT)

Completed: December 2002
Project Length: 2,300 ft (2 lanes plus shoulders)
Panel Dimensions: 10′ x 36′ x 8″, 10′ x 20′ x 8″, 10′ x 16′ x 8″
Number of panels: 339
Number of post-tensioned sections: 7 @ 250′, 1 @ 225′, 1 @ 325′
Panel Installation Rate: 25 panels/6 hours
Features: Both full-width and partial-width construction. First application of precast prestressed concrete pavement on a large scale.