US 101 ROLLINS RD
US 101 ROLLINS RD in 04-Sm-101-16.40-Burl, San Mateo County, California received a condition grade of F (0/100). Built in 1928, the bridge carries 232K vehicles daily on US 101 ROLLINS RD over Transmission Canal. It is classified as structurally deficient.
Component Ratings
The riding surface — evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
US 101 ROLLINS RD is a 98-year-old bridge located 04-Sm-101-16.40-Burl in San Mateo County, California. The bridge carries US 101 ROLLINS RD over Transmission Canal with 14 traffic lanes, handling approximately 232K vehicles per day. Built in 1928 and reconstructed in 1970, the structure spans 10.4 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
US 101 ROLLINS RD has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
US 101 ROLLINS RD was built in 1928 and reconstructed in 1970, making it 98 years old. The average bridge age in the United States is 48 years.
US 101 ROLLINS RD carries approximately 232K vehicles per day (average daily traffic). The bridge has 14 traffic lanes. It is 10.4 meters long and located on US 101 ROLLINS RD in 04-Sm-101-16.40-Burl, San Mateo County, California.
Yes, US 101 ROLLINS RD is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
US 101 ROLLINS RD is located 04-Sm-101-16.40-Burl in San Mateo County, California. The bridge carries US 101 ROLLINS RD over Transmission Canal. Its coordinates are 37.588628, -122.358400. It is maintained by State Highway Agency.
US 101 ROLLINS RD carries US 101 ROLLINS RD over Transmission Canal. The bridge is 10.4 meters long and was built in 1928, with reconstruction in 1970.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.