I 280N (RE AL)
I 280N (RE AL) in 04-Sf-280-R4.07r-Sf, San Francisco County, California received a condition grade of C (48/100). Built in 1960, the bridge carries 170K vehicles daily on I 280N (RE AL) over 280/101 Interchange.
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
I 280N (RE AL) is a 66-year-old bridge located 04-Sf-280-R4.07r-Sf in San Francisco County, California. The bridge carries I 280N (RE AL) over 280/101 Interchange with 4 traffic lanes, handling approximately 170K vehicles per day. Built in 1960, the structure spans 150.6 meters.
The bridge received a Condition Grade of C (48/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 280N (RE AL) has a Condition Score of 48/100 (Grade C). Its deck is rated 5/9, superstructure 5/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 280N (RE AL) was built in 1960, making it 66 years old. The average bridge age in the United States is 48 years.
I 280N (RE AL) carries approximately 170K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 150.6 meters long and located on I 280N (RE AL) in 04-Sf-280-R4.07r-Sf, San Francisco County, California.
No, I 280N (RE AL) is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I 280N (RE AL) is located 04-Sf-280-R4.07r-Sf in San Francisco County, California. The bridge carries I 280N (RE AL) over 280/101 Interchange. Its coordinates are 37.733503, -122.411164. It is maintained by State Highway Agency.
I 280N (RE AL) carries I 280N (RE AL) over 280/101 Interchange. The bridge is 150.6 meters long and was built in 1960.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.