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I-680 ON/OFF-RAMP over CAPITOL EXPRESSWAY

Map 

Coordinates:
+37.35833, -121.83833
37°21'30" N, 121°50'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-680 ON/OFF-RAMP over CAPITOL EXPRESSWAY
Structure number:37 0288K
Location:04-SCL-680-M1.41-SJS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:100.1 ft. [30.5 m]
Total length:202.1 ft. [61.6 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:38.1 ft. [11.6 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:26°
Owner:State Highway Agency [01]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:14,800 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:98.0 tons [89.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:96.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201596.0Not deficientSatisfactoryVery GoodVery Good14800
July 201396.0Not deficientSatisfactoryVery GoodGood14800
July 201195.0Not deficientSatisfactoryVery GoodGood14800
July 200995.0Not deficientSatisfactoryVery GoodGood14800
July 200795.0Not deficientSatisfactoryVery GoodGood14800
August 200595.0Not deficientGoodVery GoodGood14800
July 200395.0Not deficientGoodVery GoodGood14800
July 200195.0Not deficientGoodVery GoodGood14800
May 199995.0Not deficientGoodVery GoodGood14800
August 199596.0Functionally obsoleteGoodGoodGood14800
July 199396.0Functionally obsoleteGoodGoodGood14800
March 199196.0Functionally obsoleteGoodGoodGood14800