BridgeSafety
Orange County, CA · Structure #55 1136

INTERSTATE 5

INTERSTATE 5 in 12-Ora-005-16.32-Lgnh, Orange County, California received a condition grade of F (0/100). Built in 1959, the bridge carries 204K vehicles daily on INTERSTATE 5 over El Toro Drain. It is classified as structurally deficient.

F
0/100
0
Condition Score
204K
Daily Traffic
1959
Year Built
27.4m
Length

Component Ratings

DeckSerious
0/9

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

SuperstructureSerious
0/9

Beams, girders, and trusses that support the deck

SubstructureSerious
0/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
INTERSTATE 5
Crosses Over
El Toro Drain
State
California
County
Orange County
Location
12-Ora-005-16.32-Lgnh
Year Built
1959
Reconstructed
1969
Age
67 years
Daily Traffic
204,000
Lanes
12
Length
27.4 meters
Owner
State Highway Agency
Structure Number
55 1136

About This Bridge

INTERSTATE 5 is a 67-year-old bridge located 12-Ora-005-16.32-Lgnh in Orange County, California. The bridge carries INTERSTATE 5 over El Toro Drain with 12 traffic lanes, handling approximately 204K vehicles per day. Built in 1959 and reconstructed in 1969, the structure spans 27.4 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

12-Ora-005-16.32-Lgnh, Orange County, California

33.595375, -117.674069

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Frequently Asked Questions

INTERSTATE 5 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.

INTERSTATE 5 was built in 1959 and reconstructed in 1969, making it 67 years old. The average bridge age in the United States is 48 years.

INTERSTATE 5 carries approximately 204K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 27.4 meters long and located on INTERSTATE 5 in 12-Ora-005-16.32-Lgnh, Orange County, California.

Yes, INTERSTATE 5 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.

INTERSTATE 5 is located 12-Ora-005-16.32-Lgnh in Orange County, California. The bridge carries INTERSTATE 5 over El Toro Drain. Its coordinates are 33.595375, -117.674069. It is maintained by State Highway Agency.

INTERSTATE 5 carries INTERSTATE 5 over El Toro Drain. The bridge is 27.4 meters long and was built in 1959, with reconstruction in 1969.

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.