BridgeSafety
Orange County, CA · Structure #55 0502R

STATE ROUTE 91 EB

STATE ROUTE 91 EB in 12-Ora-091-R3.58r-Ful, Orange County, California received a condition grade of B (79/100). Built in 1970, the bridge carries 134K vehicles daily on STATE ROUTE 91 EB over Up RR I 5 SB S5-Magnolia.

B
79/100
79
Condition Score
134K
Daily Traffic
1970
Year Built
145.1m
Length

Component Ratings

DeckGood
7/9

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

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
8/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
STATE ROUTE 91 EB
Crosses Over
Up RR I 5 SB S5-Magnolia
State
California
County
Orange County
Location
12-Ora-091-R3.58r-Ful
Year Built
1970
Reconstructed
2000
Age
56 years
Daily Traffic
134,000
Lanes
4
Length
145.1 meters
Owner
State Highway Agency
Structure Number
55 0502R

About This Bridge

STATE ROUTE 91 EB is a 56-year-old bridge located 12-Ora-091-R3.58r-Ful in Orange County, California. The bridge carries STATE ROUTE 91 EB over Up RR I 5 SB S5-Magnolia with 4 traffic lanes, handling approximately 134K vehicles per day. Built in 1970 and reconstructed in 2000, the structure spans 145.1 meters.

The bridge received a Condition Grade of B (79/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 8/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

12-Ora-091-R3.58r-Ful, Orange County, California

33.856428, -117.981136

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Frequently Asked Questions

STATE ROUTE 91 EB has a Condition Score of 79/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.

STATE ROUTE 91 EB was built in 1970 and reconstructed in 2000, making it 56 years old. The average bridge age in the United States is 48 years.

STATE ROUTE 91 EB carries approximately 134K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 145.1 meters long and located on STATE ROUTE 91 EB in 12-Ora-091-R3.58r-Ful, Orange County, California.

No, STATE ROUTE 91 EB 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 91 EB is located 12-Ora-091-R3.58r-Ful in Orange County, California. The bridge carries STATE ROUTE 91 EB over Up RR I 5 SB S5-Magnolia. Its coordinates are 33.856428, -117.981136. It is maintained by State Highway Agency.

STATE ROUTE 91 EB carries STATE ROUTE 91 EB over Up RR I 5 SB S5-Magnolia. The bridge is 145.1 meters long and was built in 1970, with reconstruction in 2000.

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.