INTERSTATE 710
INTERSTATE 710 in 07-La-710-13.62-Com, Los Angeles County, California received a condition grade of C (59/100). Built in 1954, the bridge carries 230K vehicles daily on INTERSTATE 710 over Atlantic AVE.
INTERSTATE 710 carries a C on the BridgeSafety Condition Score with 59/100. 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 1954 and is now 72 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. INTERSTATE 710 carries an average daily traffic count of 230,000 vehicles, with 12 lane(s) crossing Atlantic AVE. 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
INTERSTATE 710 is a 72-year-old bridge located 07-La-710-13.62-Com in Los Angeles County, California. The bridge carries INTERSTATE 710 over Atlantic AVE with 12 traffic lanes, handling approximately 230K vehicles per day. Built in 1954 and reconstructed in 1971, the structure spans 31.7 meters.
The bridge received a Condition Grade of C (59/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 710 has a Condition Score of 59/100 (Grade C). Its deck is rated 5/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE 710 was built in 1954 and reconstructed in 1971, making it 72 years old. The average bridge age in the United States is 48 years.
INTERSTATE 710 carries approximately 230K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 31.7 meters long and located on INTERSTATE 710 in 07-La-710-13.62-Com, Los Angeles County, California.
No, INTERSTATE 710 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
INTERSTATE 710 is located 07-La-710-13.62-Com in Los Angeles County, California. The bridge carries INTERSTATE 710 over Atlantic AVE. Its coordinates are 33.884489, -118.190544. It is maintained by State Highway Agency.
INTERSTATE 710 carries INTERSTATE 710 over Atlantic AVE. The bridge is 31.7 meters long and was built in 1954, with reconstruction in 1971.
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.