ROUTE 5
ROUTE 5 in 07-La-005-20.94-La, Los Angeles County, California received a condition grade of C (56/100). Built in 1961, the bridge carries 283K vehicles daily on ROUTE 5 over Duvall ST-S5 & S110 Onrp.
ROUTE 5 carries a C on the BridgeSafety Condition Score with 56/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1961 and is now 65 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. ROUTE 5 carries an average daily traffic count of 283,000 vehicles, with 8 lane(s) crossing Duvall ST-S5 & S110 Onrp. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
ROUTE 5 is a 65-year-old bridge located 07-La-005-20.94-La in Los Angeles County, California. The bridge carries ROUTE 5 over Duvall ST-S5 & S110 Onrp with 8 traffic lanes, handling approximately 283K vehicles per day. Built in 1961 and reconstructed in 1975, the structure spans 12 meters.
The bridge received a Condition Grade of C (56/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
ROUTE 5 has a Condition Score of 56/100 (Grade C). Its deck is rated 5/9, superstructure 5/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
ROUTE 5 was built in 1961 and reconstructed in 1975, making it 65 years old. The average bridge age in the United States is 48 years.
ROUTE 5 carries approximately 283K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 12 meters long and located on ROUTE 5 in 07-La-005-20.94-La, Los Angeles 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 07-La-005-20.94-La in Los Angeles County, California. The bridge carries ROUTE 5 over Duvall ST-S5 & S110 Onrp. Its coordinates are 34.085544, -118.231281. It is maintained by State Highway Agency.
ROUTE 5 carries ROUTE 5 over Duvall ST-S5 & S110 Onrp. The bridge is 12 meters long and was built in 1961, with reconstruction in 1975.
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.