State Street/University Parkway Grade Separation, San Bernardino, CA

Owner: SANBAG

Project Purpose
Construction of a bridge over the BNSF railroad tracks that cross State Street / University Parkway to reduce traffic congestion due to trains that block the street at the rail crossing.

Project Summary
The new bridge, also referred to as an overcrossing, provided two travel lanes, a bicycle lane and a sidewalk in each direction, plus a center turn lane. State Street / University Parkway intersection was realigned to the east of its current location at the rail crossing. The bridge required the street to be raised north of the railroad tracks and south of Cajon Boulevard. Local street improvements were also part of the project including:

  • The realignment of Nolan Street and Short Street where they meet State Street. Traffic signals will be added at the intersection of State/Short, Cajon/Short and University Parkway/Interchange Drive.
  • The realignment of the southeast section of Nolan Street.

CHJ’s Role
CHJ provided construction support services for the State Street/University Parkway grade separation in the city of San Bernardino. CHJ’s role in the project was to provide construction inspection, field materials sampling and testing, laboratory materials testing, and batch plan inspection. CHJ performed construction inspection, field materials sampling and testing, laboratory materials testing, and batch plant inspection.

Project Costs: $28 million
Bridge Height: 35 feet
Total concrete required for construction: 3,700 tons
Total reinforcing steel required for construction: 400 tons