RTE 10 & RAMPS
RTE 10 & RAMPS in 07-La-010-14.23-La, Los Angeles County, California received a condition grade of B (62/100). Built in 1959, the bridge carries 287K vehicles daily on RTE 10 & RAMPS over Rte 110 & 29 Streets.
RTE 10 & RAMPS 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 1959 and is now 67 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. RTE 10 & RAMPS carries an average daily traffic count of 287,000 vehicles, with 8 lane(s) crossing Rte 110 & 29 Streets. 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
RTE 10 & RAMPS is a 67-year-old bridge located 07-La-010-14.23-La in Los Angeles County, California. The bridge carries RTE 10 & RAMPS over Rte 110 & 29 Streets with 8 traffic lanes, handling approximately 287K vehicles per day. Built in 1959, the structure spans 6680.6 meters.
The bridge received a Condition Grade of B (62/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
RTE 10 & RAMPS has a Condition Score of 62/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
RTE 10 & RAMPS was built in 1959, making it 67 years old. The average bridge age in the United States is 48 years.
RTE 10 & RAMPS carries approximately 287K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 6680.6 meters long and located on RTE 10 & RAMPS in 07-La-010-14.23-La, Los Angeles County, California.
No, RTE 10 & RAMPS is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
RTE 10 & RAMPS is located 07-La-010-14.23-La in Los Angeles County, California. The bridge carries RTE 10 & RAMPS over Rte 110 & 29 Streets. Its coordinates are 34.036733, -118.284378. It is maintained by State Highway Agency.
RTE 10 & RAMPS carries RTE 10 & RAMPS over Rte 110 & 29 Streets. The bridge is 6680.6 meters long and was built in 1959.
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.