INTERSTATE 5
INTERSTATE 5 in 12-Ora-005-14.79-Msnv, Orange County, California received a condition grade of C (55/100). Built in 1959, the bridge carries 194K vehicles daily on INTERSTATE 5 over Oso Creek.
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 5 is a 67-year-old bridge located 12-Ora-005-14.79-Msnv in Orange County, California. The bridge carries INTERSTATE 5 over Oso Creek with 14 traffic lanes, handling approximately 194K vehicles per day. Built in 1959 and reconstructed in 2024, the structure spans 77.4 meters.
The bridge received a Condition Grade of C (55/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 5 has a Condition Score of 55/100 (Grade C). Its deck is rated 5/9, superstructure 5/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE 5 was built in 1959 and reconstructed in 2024, making it 67 years old. The average bridge age in the United States is 48 years.
INTERSTATE 5 carries approximately 194K vehicles per day (average daily traffic). The bridge has 14 traffic lanes. It is 77.4 meters long and located on INTERSTATE 5 in 12-Ora-005-14.79-Msnv, Orange County, California.
No, INTERSTATE 5 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 5 is located 12-Ora-005-14.79-Msnv in Orange County, California. The bridge carries INTERSTATE 5 over Oso Creek. Its coordinates are 33.573922, -117.671539. It is maintained by State Highway Agency.
INTERSTATE 5 carries INTERSTATE 5 over Oso Creek. The bridge is 77.4 meters long and was built in 1959, with reconstruction in 2024.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.