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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

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:108,000 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201773.0GoodGoodGoodGoodFO108000
January 201573.0GoodVery GoodVery GoodVery GoodFO108000
January 201373.0GoodGoodGoodGoodFO108000
January 201173.0GoodGoodGoodGoodFO93500
January 200973.0GoodGoodGoodGoodFO93500
January 200773.0GoodGoodGoodGoodFO93500
January 200570.0PoorPoorGoodGoodSD93500
January 200376.0PoorPoorGoodGoodSD106900
February 200176.0PoorPoorGoodGoodSD106900
September 199679.0FairSatisfactoryGoodGood-105650
September 199479.0GoodGoodGoodGood-105650
September 199379.0GoodGoodGoodGood-88550
October 199279.0GoodGoodGoodGood-88550
December 198979.0GoodGoodGoodGood-88550

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.1,4431,4004300
Deck
Reinforced Concrete Top Flangesq. ft.23,38323,20018300
Concrete Protective Coatingsq. ft.2,2702,270000
Substructure
Reinforced Concrete Columneach3131000
Reinforced Concrete Abutmentlinear ft.8989000
Reinforced Concrete Pileeach11000
Prestressed Concrete Pier Caplinear ft.2020000
Joints
Strip Seal Jointlinear ft.129129000
Compression Jointlinear ft.146146000
Bearings
Movable Bearingeach2121000
Bridge Rail
Other Material Bridge Raillinear ft.2,8802,880000