U.S. HIGHWAY 101
U.S. HIGHWAY 101 in 07-Ven-101-19.42-Oxn, Ventura County, California received a condition grade of F (0/100). Built in 1926, the bridge carries 144K vehicles daily on U.S. HIGHWAY 101 over Tamarisk Drain. 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
U.S. HIGHWAY 101 is a 100-year-old bridge located 07-Ven-101-19.42-Oxn in Ventura County, California. The bridge carries U.S. HIGHWAY 101 over Tamarisk Drain with 8 traffic lanes, handling approximately 144K vehicles per day. Built in 1926 and reconstructed in 1955, the structure spans 8.2 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
U.S. HIGHWAY 101 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.
U.S. HIGHWAY 101 was built in 1926 and reconstructed in 1955, making it 100 years old. The average bridge age in the United States is 48 years.
U.S. HIGHWAY 101 carries approximately 144K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 8.2 meters long and located on U.S. HIGHWAY 101 in 07-Ven-101-19.42-Oxn, Ventura County, California.
Yes, U.S. HIGHWAY 101 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.
U.S. HIGHWAY 101 is located 07-Ven-101-19.42-Oxn in Ventura County, California. The bridge carries U.S. HIGHWAY 101 over Tamarisk Drain. Its coordinates are 34.222258, -119.129867. It is maintained by State Highway Agency.
U.S. HIGHWAY 101 carries U.S. HIGHWAY 101 over Tamarisk Drain. The bridge is 8.2 meters long and was built in 1926, with reconstruction in 1955.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.