BridgeSafety
Orange County, CA · Structure #55 0400

STATE ROUTE 57

STATE ROUTE 57 in 12-Ora-057-11.96-Ora, Orange County, California received a condition grade of B (67/100). Built in 1976, the bridge carries 229K vehicles daily on STATE ROUTE 57 over Santa Ana River.

B
67/100
67
Condition Score
229K
Daily Traffic
1976
Year Built
278.3m
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

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
STATE ROUTE 57
Crosses Over
Santa Ana River
State
California
County
Orange County
Location
12-Ora-057-11.96-Ora
Year Built
1976
Age
50 years
Daily Traffic
229,000
Lanes
12
Length
278.3 meters
Owner
State Highway Agency
Structure Number
55 0400

About This Bridge

STATE ROUTE 57 is a 50-year-old bridge located 12-Ora-057-11.96-Ora in Orange County, California. The bridge carries STATE ROUTE 57 over Santa Ana River with 12 traffic lanes, handling approximately 229K vehicles per day. Built in 1976, the structure spans 278.3 meters.

The bridge received a Condition Grade of B (67/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

12-Ora-057-11.96-Ora, Orange County, California

33.798475, -117.877286

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Frequently Asked Questions

STATE ROUTE 57 has a Condition Score of 67/100 (Grade B). Its deck is rated 5/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

STATE ROUTE 57 was built in 1976, 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 12 traffic lanes. It is 278.3 meters long and located on STATE ROUTE 57 in 12-Ora-057-11.96-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-057-11.96-Ora in Orange County, California. The bridge carries STATE ROUTE 57 over Santa Ana River. Its coordinates are 33.798475, -117.877286. It is maintained by State Highway Agency.

STATE ROUTE 57 carries STATE ROUTE 57 over Santa Ana River. The bridge is 278.3 meters long and was built in 1976.

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.