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INTERSTATE 980 over 27TH,NORTHGATE,SYCAMORE

Map

Coordinates:
+37.81534, -122.27108
37°48'55" N, 122°16'16" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:INTERSTATE 980 over 27TH,NORTHGATE,SYCAMORE
Structure number:33 0421L
Location:04-ALA-980-1.40-OAK
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:115.2 ft. [35.1 m]
Total length:659.2 ft. [200.9 m]
Roadway width between curbs:79.1 ft. [24.1 m]
Deck width edge-to-edge:81.0 ft. [24.7 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1969
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:9
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: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:57,500 [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:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
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]
Sufficiency rating:89.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016GoodVery GoodVery GoodGood5750089.5
May 2014GoodGoodGoodGood5750089.5
May 2012GoodGoodGoodGood5750089.5
June 2010GoodGoodGoodGood5375089.8
May 2008GoodGoodGoodGood5375089.8
May 2006PoorPoorGoodGood5375086.7
May 2004PoorPoorGoodGood5375066.0
May 2002PoorPoorGoodGood9435063.7
June 2000FairSatisfactoryGoodGood9435090.0
June 1998PoorPoorGoodGood9435086.7
April 1995GoodGoodGoodGood8685092.4
April 1993GoodGoodGoodGood6750093.9
October 1991GoodGoodGoodGood6750093.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.201198210
Deck
Reinforced Concrete Top Flangesq. ft.4,9504,950000
Concrete Protective Coatingsq. ft.4,8424,842000
Substructure
Reinforced Concrete Columneach1010000
Reinforced Concrete Pier Walllinear ft.5248040
Reinforced Concrete Abutmentlinear ft.5252000
Reinforced Concrete Pileeach11000
Joints
Compression Jointlinear ft.5047003
Bearings
Enclosed/Concealed Bearingeach22000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.205205000
Other Material Bridge Raillinear ft.205205000