On state route 91 (SR-91) from post mile (PM) 4.8 to 6.6, and on state route 57 (SR-57) from PM 13.9 to PM 16.1, in the cities of anaheim and placent

This $529,207.88 federal Project Grant award, funded by the Federal Highway Administration under the Highway Planning and Construction program (CFDA 20.205), provides improvements along State Route 91 and State Route 57 in Anaheim and Placentia, California. The key products and services to be delivered include:

• Mainline widening and restoration of auxiliary lanes on State Route 91, primarily in the westbound direction, from west of State College Boulevard to east of La Palma Avenue
• Bridge widening at State College Boulevard and reconstruction of the La Palma Avenue bridge
• Providing a new Orangethorpe Avenue bypass ramp

This grant supports critical transportation infrastructure development and enhancement projects administered by the California Department of Transportation (Caltrans) to improve highway capacity, operational efficiency, and safety in the impacted region. The award was made on April 17, 2025.

Project description

On state route: 57, 91. On state route 91 (SR-91) from post mile (PM) 4.8 to 6.6, and on state route 57 (SR-57) from PM 13.9 to PM 16.1, in the cities of anaheim and placentia, in orange county, california. In addition, on SR-91 from 0.1 miles east of acacia street undercrossing (UC) to 0.2 miles east of LA palma avenue overcrossing (OC), and along SR-57 from wagner street OC to 0.2 miles north of miraloma avenue OC. Provide improvements along the SR-91, primarily in the westbound direction, from west of state college boulevard to east of LA palma avenue. Improvements include mainline widening and restoring auxiliary lanes and include mainline widening and operational improvements in westbound direction between west of state college boulevard and LA palma avenue, bridge widening at state college boulevard, reconstruction of LA palma avenue bridge, and provide a new orangethorpe avenue bypass ramp.