RTE I87 over RTE 9N


+43.40220, -73.71321
43°24'08" N, 73°42'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:RTE I87 over RTE 9N
Structure number:000000001006761
Location:JCT RTES 9N & I87
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:77.8 ft. [23.7 m]
Total length:219.8 ft. [67.0 m]
Roadway width between curbs:54.1 ft. [16.5 m]
Deck width edge-to-edge:59.1 ft. [18.0 m]
Vertical clearance below bridge:26.2 ft. [8.0 m]
Skew angle:17°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:2007
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: July 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:20,139 [as of 2002]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:60.8 tons [55.3 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:68.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$682,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201568.0FairSatisfactorySatisfactoryFair-20139
August 201379.0FairSatisfactorySatisfactorySatisfactory-20139
August 201179.0FairSatisfactorySatisfactorySatisfactory-4657
August 200979.0FairSatisfactorySatisfactoryGood-23399
August 200779.0FairSatisfactorySatisfactoryGood-4657
March 200578.9FairSatisfactorySatisfactorySatisfactory-4657
July 200378.9FairSatisfactorySatisfactorySatisfactory-4657
June 200178.8FairSatisfactoryGoodSatisfactory-4657
April 199978.8FairSatisfactoryGoodSatisfactory-4657
May 199767.8FairSatisfactoryGoodFair-3917
May 199551.5PoorFairSatisfactoryPoorSD3917
June 199352.5PoorFairSatisfactoryPoorSD3344
March 199152.5PoorFairSatisfactoryPoorSD3981