BridgeSafety
Orange County, CA · Structure #55 0171

STATE ROUTE 57

STATE ROUTE 57 in 12-Ora-057-11.24-Ora, Orange County, California received a condition grade of B (70/100). Built in 1976, the bridge carries 229K vehicles daily on STATE ROUTE 57 over Chapman AVE.

B
70/100
70
Condition Score
229K
Daily Traffic
1976
Year Built
46.3m
Length

Component Ratings

DeckFair
5/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
STATE ROUTE 57
Crosses Over
Chapman AVE
State
California
County
Orange County
Location
12-Ora-057-11.24-Ora
Year Built
1976
Reconstructed
1998
Age
50 years
Daily Traffic
229,000
Lanes
13
Length
46.3 meters
Owner
State Highway Agency
Structure Number
55 0171

About This Bridge

STATE ROUTE 57 is a 50-year-old bridge located 12-Ora-057-11.24-Ora in Orange County, California. The bridge carries STATE ROUTE 57 over Chapman AVE with 13 traffic lanes, handling approximately 229K vehicles per day. Built in 1976 and reconstructed in 1998, the structure spans 46.3 meters.

The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

12-Ora-057-11.24-Ora, Orange County, California

33.787683, -117.879611

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Frequently Asked Questions

STATE ROUTE 57 has a Condition Score of 70/100 (Grade B). Its deck is rated 5/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

STATE ROUTE 57 was built in 1976 and reconstructed in 1998, making it 50 years old. The average bridge age in the United States is 48 years.

STATE ROUTE 57 carries approximately 229K vehicles per day (average daily traffic). The bridge has 13 traffic lanes. It is 46.3 meters long and located on STATE ROUTE 57 in 12-Ora-057-11.24-Ora, Orange County, California.

No, STATE ROUTE 57 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

STATE ROUTE 57 is located 12-Ora-057-11.24-Ora in Orange County, California. The bridge carries STATE ROUTE 57 over Chapman AVE. Its coordinates are 33.787683, -117.879611. It is maintained by State Highway Agency.

STATE ROUTE 57 carries STATE ROUTE 57 over Chapman AVE. The bridge is 46.3 meters long and was built in 1976, with reconstruction in 1998.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.