W 231ST STREET over RTE I87, RTE I87


+40.87849, -73.90380
40°52'43" N, 73°54'14" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:W 231ST STREET over RTE I87, RTE I87
Structure number:000000001066970
Location:2.6 MI N I87+I95
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Collector (Urban) [17]
Length of largest span:47.9 ft. [14.6 m]
Total length:98.8 ft. [30.1 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:82.4 ft. [25.1 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Owner:State Highway Agency [01]
Year built:1955
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]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2016 

Status:Open, no restriction [A]
Average daily traffic:8,287 [as of 2016]
Truck traffic:7% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Scour condition:Bridge not over waterway. [N]
Operating rating:89.8 tons [81.6 metric tons]
Inventory rating:53.9 tons [49.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:79.5
Recommended work:Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:$5,481,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201679.5Functionally obsoleteFairFairSatisfactory8287
January 201475.7Functionally obsoleteFairFairSatisfactory7237
February 201286.8Functionally obsoleteFairSatisfactorySatisfactory7237
March 201086.8Functionally obsoleteFairSatisfactorySatisfactory5813
April 200886.8Functionally obsoleteFairSatisfactorySatisfactory5813
May 200686.8Functionally obsoleteFairSatisfactorySatisfactory7237
May 200486.8Functionally obsoleteFairSatisfactorySatisfactory7237
July 200286.7Functionally obsoleteFairSatisfactorySatisfactory7426
June 200086.7Functionally obsoleteFairSatisfactorySatisfactory7426
July 199860.4Functionally obsoleteFairSatisfactoryFair7426
May 199645.2Structurally deficientPoorFairPoor7426
June 199446.2Structurally deficientPoorFairPoor4000
April 199246.2Structurally deficientPoorFairPoor4000
May 199046.2Structurally deficientPoorFairPoor4000