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INTERSTATE 680 over SILVER CREEK

Map 

Coordinates:
+37.35167, -121.83667
37°21'06" N, 121°50'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:INTERSTATE 680 over SILVER CREEK
Structure number:37 0320
Location:04-SCL-680-M1.13-SJS
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:14.1 ft. [4.3 m]
Total length:45.9 ft. [14.0 m]
Roadway width between curbs:164.1 ft. [50.0 m]
Deck width edge-to-edge:166.0 ft. [50.6 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:160,000 [as of 2009]
Truck traffic:2% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:59.5 tons [54.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:85.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201585.0Not deficient---160000
July 201385.0Not deficient---160000
July 201185.0Not deficient---160000
July 200985.0Not deficient---187000
March 200885.0Not deficient---187000
August 200585.0Not deficient---187000
July 200370.0Not deficient---187000
July 200185.0Not deficient---179000
June 199985.0Not deficient---179000
August 199570.0Not deficient---175600
July 199371.7Not deficient---124100
March 199171.7Not deficient---124100