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NB I280 & RAMPS over SR 87,CONNS,STRS,RIVER

Map 

Coordinates:
+37.32333, -121.89000
37°19'24" N, 121°53'24" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NB I280 & RAMPS over SR 87,CONNS,STRS,RIVER
Structure number:37 0275R
Location:04-SCL-280-R2.19-SJS
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:107.6 ft. [32.8 m]
Total length:2511.3 ft. [765.4 m]
Roadway width between curbs:65.9 ft. [20.1 m]
Deck width edge-to-edge:67.9 ft. [20.7 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1971
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:26
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2015 

Status:Open, no restriction [A]
Average daily traffic:108,000 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Very Good [8 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:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:68.4 tons [62.2 metric tons]
Inventory rating:41.4 tons [37.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:73.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$42,235,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201573.0Functionally obsoleteVery GoodVery GoodVery Good108000
January 201373.0Functionally obsoleteGoodGoodGood108000
January 201173.0Functionally obsoleteGoodGoodGood93500
January 200973.0Functionally obsoleteGoodGoodGood93500
January 200773.0Functionally obsoleteGoodGoodGood93500
January 200570.0Structurally deficientPoorGoodGood93500
January 200376.0Structurally deficientPoorGoodGood106900
February 200176.0Structurally deficientPoorGoodGood106900
20000.0Not applicable---52400
September 199679.0Not deficientSatisfactoryGoodGood105650
September 199479.0Not deficientGoodGoodGood105650
September 199379.0Not deficientGoodGoodGood88550
October 199279.0Not deficientGoodGoodGood88550
December 198979.0Not deficientGoodGoodGood88550