BridgeSafety
Orange County, CA · Structure #55 0656

ROUTE 5

ROUTE 5 in 12-Ora-005-27.59-Irvn, Orange County, California received a condition grade of B (78/100). Built in 1991, the bridge carries 316K vehicles daily on ROUTE 5 over Jamboree Road.

ROUTE 5 carries a B on the BridgeSafety Condition Score with 78/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.

The bridge was built in 1991, making it 35 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. ROUTE 5 carries an average daily traffic count of 316,400 vehicles, with 14 lane(s) crossing Jamboree Road. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

B
78/100
78
Condition Score
316K
Daily Traffic
1991
Year Built
56.7m
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
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
ROUTE 5
Crosses Over
Jamboree Road
State
California
County
Orange County
Location
12-Ora-005-27.59-Irvn
Year Built
1991
Age
35 years
Daily Traffic
316,400
Lanes
14
Length
56.7 meters
Owner
State Highway Agency
Structure Number
55 0656

About This Bridge

ROUTE 5 is a 35-year-old bridge located 12-Ora-005-27.59-Irvn in Orange County, California. The bridge carries ROUTE 5 over Jamboree Road with 14 traffic lanes, handling approximately 316K vehicles per day. Built in 1991, the structure spans 56.7 meters.

The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

12-Ora-005-27.59-Irvn, Orange County, California

33.719664, -117.794661

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Frequently Asked Questions

ROUTE 5 has a Condition Score of 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

ROUTE 5 was built in 1991, making it 35 years old. The average bridge age in the United States is 48 years.

ROUTE 5 carries approximately 316K vehicles per day (average daily traffic). The bridge has 14 traffic lanes. It is 56.7 meters long and located on ROUTE 5 in 12-Ora-005-27.59-Irvn, Orange County, California.

No, ROUTE 5 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

ROUTE 5 is located 12-Ora-005-27.59-Irvn in Orange County, California. The bridge carries ROUTE 5 over Jamboree Road. Its coordinates are 33.719664, -117.794661. It is maintained by State Highway Agency.

ROUTE 5 carries ROUTE 5 over Jamboree Road. The bridge is 56.7 meters long and was built in 1991.

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.

Source: FHWA National Bridge Inventory, 2026.