RTE 57 & CHAPMAN
RTE 57 & CHAPMAN in 12-Ora-057-11.20-Ora, Orange County, California received a condition grade of F (0/100). Built in 1976, the bridge carries 229K vehicles daily on RTE 57 & CHAPMAN over Bitterbush Channel. 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
RTE 57 & CHAPMAN is a 50-year-old bridge located 12-Ora-057-11.20-Ora in Orange County, California. The bridge carries RTE 57 & CHAPMAN over Bitterbush Channel with 19 traffic lanes, handling approximately 229K vehicles per day. Built in 1976, the structure spans 11 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
RTE 57 & CHAPMAN 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.
RTE 57 & CHAPMAN was built in 1976, making it 50 years old. The average bridge age in the United States is 48 years.
RTE 57 & CHAPMAN carries approximately 229K vehicles per day (average daily traffic). The bridge has 19 traffic lanes. It is 11 meters long and located on RTE 57 & CHAPMAN in 12-Ora-057-11.20-Ora, Orange County, California.
Yes, RTE 57 & CHAPMAN 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.
RTE 57 & CHAPMAN is located 12-Ora-057-11.20-Ora in Orange County, California. The bridge carries RTE 57 & CHAPMAN over Bitterbush Channel. Its coordinates are 33.786531, -117.879678. It is maintained by State Highway Agency.
RTE 57 & CHAPMAN carries RTE 57 & CHAPMAN over Bitterbush Channel. The bridge is 11 meters long and was built in 1976.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.