INTERSTATE 110
INTERSTATE 110 in 07-La-110-16.52-La, Los Angeles County, California received a condition grade of B (68/100). Built in 1956, the bridge carries 300K vehicles daily on INTERSTATE 110 over 79th Street.
INTERSTATE 110 carries a B on the BridgeSafety Condition Score with 68/100. 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 1956 and is now 70 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 110 carries an average daily traffic count of 300,000 vehicles, with 14 lane(s) crossing 79th Street. 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 110 is a 70-year-old bridge located 07-La-110-16.52-La in Los Angeles County, California. The bridge carries INTERSTATE 110 over 79th Street with 14 traffic lanes, handling approximately 300K vehicles per day. Built in 1956 and reconstructed in 1996, the structure spans 26.5 meters.
The bridge received a Condition Grade of B (68/100) 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
Frequently Asked Questions
INTERSTATE 110 has a Condition Score of 68/100 (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.
INTERSTATE 110 was built in 1956 and reconstructed in 1996, making it 70 years old. The average bridge age in the United States is 48 years.
INTERSTATE 110 carries approximately 300K vehicles per day (average daily traffic). The bridge has 14 traffic lanes. It is 26.5 meters long and located on INTERSTATE 110 in 07-La-110-16.52-La, Los Angeles County, California.
No, INTERSTATE 110 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 110 is located 07-La-110-16.52-La in Los Angeles County, California. The bridge carries INTERSTATE 110 over 79th Street. Its coordinates are 33.967764, -118.280517. It is maintained by State Highway Agency.
INTERSTATE 110 carries INTERSTATE 110 over 79th Street. The bridge is 26.5 meters long and was built in 1956, with reconstruction in 1996.
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.