I 110
I 110 in 07-La-110-9.85-La, Los Angeles County, California received a condition grade of B (62/100). Built in 1960, the bridge carries 274K vehicles daily on I 110 over SR 91.
I 110 carries a B on the BridgeSafety Condition Score with 62/100. 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 1960 and is now 66 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. I 110 carries an average daily traffic count of 273,760 vehicles, with 14 lane(s) crossing SR 91. 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
I 110 is a 66-year-old bridge located 07-La-110-9.85-La in Los Angeles County, California. The bridge carries I 110 over SR 91 with 14 traffic lanes, handling approximately 274K vehicles per day. Built in 1960 and reconstructed in 1985, the structure spans 65.8 meters.
The bridge received a Condition Grade of B (62/100) 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
I 110 has a Condition Score of 62/100 (Grade B). 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.
I 110 was built in 1960 and reconstructed in 1985, making it 66 years old. The average bridge age in the United States is 48 years.
I 110 carries approximately 274K vehicles per day (average daily traffic). The bridge has 14 traffic lanes. It is 65.8 meters long and located on I 110 in 07-La-110-9.85-La, Los Angeles County, California.
No, I 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.
I 110 is located 07-La-110-9.85-La in Los Angeles County, California. The bridge carries I 110 over SR 91. Its coordinates are 33.872542, -118.284658. It is maintained by State Highway Agency.
I 110 carries I 110 over SR 91. The bridge is 65.8 meters long and was built in 1960, with reconstruction in 1985.
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.