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INTERSTATE 980 over 27TH,NORTHGATE,SYCAMORE

Map

Coordinates:
+37.81667, -122.26833
37°49'00" N, 122°16'06" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:INTERSTATE 980 over 27TH,NORTHGATE,SYCAMORE
Structure number:33 0421R
Location:04-ALA-980-1.33-OAK
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:129.9 ft. [39.6 m]
Total length:1030.9 ft. [314.2 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:17.4 ft. [5.3 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:12
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:Good [7 out of 9]
Substructure condition:Very Good [8 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]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:52.0 tons [47.3 metric tons]
Inventory rating:31.4 tons [28.5 metric tons]
Sufficiency rating:83.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201683.6GoodVery GoodGoodVery GoodFO57500
May 201483.6GoodGoodGoodGoodFO57500
May 201283.6GoodGoodGoodGoodFO57500
June 201084.0GoodGoodGoodGoodFO53750
May 200882.5GoodGoodGoodGoodFO53750
May 200681.4FairFairGoodGoodFO53750
May 200479.3PoorPoorGoodGoodSD53750
May 200280.1FairFairGoodGoodFO94350
June 200083.5FairFairGoodGood-94350
June 199879.0PoorSeriousGoodGoodSD94350
April 199588.0GoodGoodGoodGood-86850
April 199389.5GoodGoodGoodGood-67500
October 199189.5GoodGoodGoodGood-67500