BridgeSafety
Santa Clara County, CA · Structure #37 0284

INTERSTATE 280

INTERSTATE 280 in 04-Scl-280-R0.36-Sjs, Santa Clara County, California received a condition grade of A (83/100). Built in 1972, the bridge carries 157K vehicles daily on INTERSTATE 280 over Mclaughlin Avenue.

A
83/100
83
Condition Score
157K
Daily Traffic
1972
Year Built
35.7m
Length

Component Ratings

DeckGood
7/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
8/9

Beams, girders, and trusses that support the deck

SubstructureGood
8/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
INTERSTATE 280
Crosses Over
Mclaughlin Avenue
State
California
County
Santa Clara County
Location
04-Scl-280-R0.36-Sjs
Year Built
1972
Age
54 years
Daily Traffic
157,000
Lanes
12
Length
35.7 meters
Owner
State Highway Agency
Structure Number
37 0284

About This Bridge

INTERSTATE 280 is a 54-year-old bridge located 04-Scl-280-R0.36-Sjs in Santa Clara County, California. The bridge carries INTERSTATE 280 over Mclaughlin Avenue with 12 traffic lanes, handling approximately 157K vehicles per day. Built in 1972, the structure spans 35.7 meters.

The bridge received a Condition Grade of A (83/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

04-Scl-280-R0.36-Sjs, Santa Clara County, California

37.336797, -121.857444

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Frequently Asked Questions

INTERSTATE 280 has a Condition Score of 83/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 280 was built in 1972, making it 54 years old. The average bridge age in the United States is 48 years.

INTERSTATE 280 carries approximately 157K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 35.7 meters long and located on INTERSTATE 280 in 04-Scl-280-R0.36-Sjs, Santa Clara County, California.

No, INTERSTATE 280 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 280 is located 04-Scl-280-R0.36-Sjs in Santa Clara County, California. The bridge carries INTERSTATE 280 over Mclaughlin Avenue. Its coordinates are 37.336797, -121.857444. It is maintained by State Highway Agency.

INTERSTATE 280 carries INTERSTATE 280 over Mclaughlin Avenue. The bridge is 35.7 meters long and was built in 1972.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.