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23RD AVENUE over INTERSTATE 880

Map 

Coordinates:
+37.77667, -122.23500
37°46'36" N, 122°14'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:23RD AVENUE over INTERSTATE 880
Structure number:33 0149
Location:04-ALA-880-28.98-OAK
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:138.1 ft. [42.1 m]
Total length:939.0 ft. [286.2 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:63°
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:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2015 

Status:Open, no restriction [A]
Average daily traffic:11,500 [as of 2000]
Truck traffic:1% of total traffic
Deck condition:Good [7 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:71.6 tons [65.1 metric tons]
Inventory rating:46.0 tons [41.8 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:72.5
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$4,250,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201572.5Functionally obsoleteGoodVery GoodGood11500
February 201361.2Functionally obsoleteSatisfactoryFairGood11500
February 201161.2Functionally obsoleteSatisfactoryFairGood11500
February 200961.2Functionally obsoleteSatisfactoryFairGood11500
February 200761.2Functionally obsoleteSatisfactoryFairGood11500
March 200761.2Functionally obsoleteSatisfactoryFairGood11500
January 200547.4Structurally deficientSatisfactoryPoorGood11500
September 200347.4Structurally deficientSatisfactoryPoorGood11500
February 200372.5Functionally obsoleteSatisfactorySatisfactoryGood11500
February 200172.5Functionally obsoleteGoodSatisfactoryGood11500
March 199972.5Functionally obsoleteGoodSatisfactoryGood11500
June 199872.5Functionally obsoleteGoodSatisfactoryGood11500
February 199572.8Functionally obsoleteGoodGoodGood11500
May 199372.8Functionally obsoleteGoodGoodGood11500
February 199172.8Functionally obsoleteGoodGoodGood11500