INTERSTATE 710
INTERSTATE 710 in 07-La-710-26.12-Monp, Los Angeles County, California received a condition grade of F (0/100). Built in 1961, the bridge carries 185K vehicles daily on INTERSTATE 710 over Laguna Channel. It is classified as structurally deficient.
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 65-year-old bridge located 07-La-710-26.12-Monp in Los Angeles County, California. The bridge carries INTERSTATE 710 over Laguna Channel with 7 traffic lanes, handling approximately 185K vehicles per day. Built in 1961 and reconstructed in 1973, the structure spans 7.3 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 710 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
INTERSTATE 710 was built in 1961 and reconstructed in 1973, making it 65 years old. The average bridge age in the United States is 48 years.
INTERSTATE 710 carries approximately 185K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 7.3 meters long and located on INTERSTATE 710 in 07-La-710-26.12-Monp, Los Angeles County, California.
Yes, INTERSTATE 710 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
INTERSTATE 710 is located 07-La-710-26.12-Monp in Los Angeles County, California. The bridge carries INTERSTATE 710 over Laguna Channel. Its coordinates are 34.054711, -118.164667. It is maintained by State Highway Agency.
INTERSTATE 710 carries INTERSTATE 710 over Laguna Channel. The bridge is 7.3 meters long and was built in 1961, with reconstruction in 1973.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.