BridgeSafety
Santa Clara County, CA · Structure #37 0294

INTERSTATE 680

INTERSTATE 680 in 04-Scl-680-M3.45, Santa Clara County, California received a condition grade of B (77/100). Built in 1974, the bridge carries 175K vehicles daily on INTERSTATE 680 over Upper Penitencia Creek.

B
77/100
77
Condition Score
175K
Daily Traffic
1974
Year Built
36m
Length

Component Ratings

DeckGood
7/9

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

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
INTERSTATE 680
Crosses Over
Upper Penitencia Creek
State
California
County
Santa Clara County
Location
04-Scl-680-M3.45
Year Built
1974
Age
52 years
Daily Traffic
175,000
Lanes
8
Length
36 meters
Owner
State Highway Agency
Structure Number
37 0294

About This Bridge

INTERSTATE 680 is a 52-year-old bridge located 04-Scl-680-M3.45 in Santa Clara County, California. The bridge carries INTERSTATE 680 over Upper Penitencia Creek with 8 traffic lanes, handling approximately 175K vehicles per day. Built in 1974, the structure spans 36 meters.

The bridge received a Condition Grade of B (77/100) 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

04-Scl-680-M3.45, Santa Clara County, California

37.380289, -121.858183

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Frequently Asked Questions

INTERSTATE 680 has a Condition Score of 77/100 (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.

INTERSTATE 680 was built in 1974, making it 52 years old. The average bridge age in the United States is 48 years.

INTERSTATE 680 carries approximately 175K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 36 meters long and located on INTERSTATE 680 in 04-Scl-680-M3.45, Santa Clara County, California.

No, INTERSTATE 680 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 680 is located 04-Scl-680-M3.45 in Santa Clara County, California. The bridge carries INTERSTATE 680 over Upper Penitencia Creek. Its coordinates are 37.380289, -121.858183. It is maintained by State Highway Agency.

INTERSTATE 680 carries INTERSTATE 680 over Upper Penitencia Creek. The bridge is 36 meters long and was built in 1974.

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.