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29TH AVENUE over INTERSTATE 880

Map

Coordinates:
+37.77500, -122.23167
37°46'30" N, 122°13'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:29TH AVENUE over INTERSTATE 880
Structure number:33 0141
Location:04-ALA-880-28.69-OAK
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:63.0 ft. [19.2 m]
Total length:609.0 ft. [185.6 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:36.7 ft. [11.2 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:12°
Owner:State Highway Agency [01]
Year built:1947
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:11
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:11,300 [as of 1998]
Truck traffic:2% 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:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.4 tons [56.7 metric tons]
Inventory rating:37.4 tons [34.0 metric tons]
Sufficiency rating:72.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,380,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201572.6GoodVery GoodVery GoodVery GoodFO11300
February 201372.6FairSatisfactoryGoodGoodFO11300
February 201172.6FairSatisfactoryGoodGoodFO11300
February 200972.6FairSatisfactoryGoodGoodFO11300
January 200559.5FairSatisfactoryGoodGoodFO113000
February 200359.5FairSatisfactoryGoodGoodFO113000
February 200148.0FairSatisfactoryFairGoodFO113000
March 199948.0FairSatisfactoryFairGoodFO113000
June 199848.0FairSatisfactoryFairGoodFO113000
February 199562.4GoodGoodGoodGoodFO113000
May 199362.4GoodGoodGoodGoodFO113000
February 199162.4GoodGoodGoodGoodFO113000