US HIGHWAY 101 SB
US HIGHWAY 101 SB in 07-Ven-101-10.21-Cmrl, Ventura County, California received a condition grade of B (78/100). Built in 1987, the bridge carries 132K vehicles daily on US HIGHWAY 101 SB over Hillside.
US HIGHWAY 101 SB carries a B on the BridgeSafety Condition Score with 78/100. 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 1987, making it 39 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. US HIGHWAY 101 SB carries an average daily traffic count of 132,000 vehicles, with 7 lane(s) crossing Hillside. 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
US HIGHWAY 101 SB is a 39-year-old bridge located 07-Ven-101-10.21-Cmrl in Ventura County, California. The bridge carries US HIGHWAY 101 SB over Hillside with 7 traffic lanes, handling approximately 132K vehicles per day. Built in 1987, the structure spans 470.5 meters.
The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
US HIGHWAY 101 SB has a Condition Score of 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
US HIGHWAY 101 SB was built in 1987, making it 39 years old. The average bridge age in the United States is 48 years.
US HIGHWAY 101 SB carries approximately 132K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 470.5 meters long and located on US HIGHWAY 101 SB in 07-Ven-101-10.21-Cmrl, Ventura County, California.
No, US HIGHWAY 101 SB is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
US HIGHWAY 101 SB is located 07-Ven-101-10.21-Cmrl in Ventura County, California. The bridge carries US HIGHWAY 101 SB over Hillside. Its coordinates are 34.200956, -118.975814. It is maintained by State Highway Agency.
US HIGHWAY 101 SB carries US HIGHWAY 101 SB over Hillside. The bridge is 470.5 meters long and was built in 1987.
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.