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12 TH STREET over INTERSTATE 980

Map 

Coordinates:
+37.80500, -122.27667
37°48'18" N, 122°16'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:12 TH STREET over INTERSTATE 980
Structure number:33 0480
Location:04-ALA-980-0.60-OAK
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:124.0 ft. [37.8 m]
Total length:314.0 ft. [95.7 m]
Roadway width between curbs:54.1 ft. [16.5 m]
Deck width edge-to-edge:68.2 ft. [20.8 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1981
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:3
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: May 2014 

Status:Open, no restriction [A]
Average daily traffic:8,000 [as of 1998]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.5 tons [54.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:95.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201495.3Not deficientSatisfactoryVery GoodGood8000
May 201297.3Not deficientSatisfactoryVery GoodGood8000
June 201097.3Not deficientSatisfactoryVery GoodGood8000
May 200897.3Not deficientSatisfactoryVery GoodGood8000
May 200697.3Not deficientSatisfactoryVery GoodGood8000
May 200497.3Not deficientSatisfactorySatisfactoryGood8000
June 200280.1Not deficientSatisfactorySatisfactoryGood8000
June 200080.1Not deficientSatisfactorySatisfactoryGood8000
June 199875.0Structurally deficientPoorSatisfactoryGood8000
April 199579.2Not deficientGoodGoodGood8000
April 199379.2Not deficientGoodGoodGood8000
October 199179.2Not deficientGoodGoodGood8000