RTE I87 over RTE 8


+43.66838, -73.77906
43°40'06" N, 73°46'45" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:RTE I87 over RTE 8
Structure number:000000001033592
Location:JCT RTE 8 & I87
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:54.8 ft. [16.7 m]
Total length:150.9 ft. [46.0 m]
Roadway width between curbs:39.0 ft. [11.9 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Skew angle:28°
Owner:State Highway Agency [01]
Year built:1966
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2015 

Status:Open, no restriction [A]
Average daily traffic:6,818 [as of 2005]
Truck traffic:26% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Equal to present minimum criteria [6]
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:95.8 tons [87.1 metric tons]
Inventory rating:56.9 tons [51.7 metric tons]
Sufficiency rating:83.6
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$3,266,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201583.6Not deficientFairFairFair6818
June 201383.6Not deficientFairGoodFair6818
June 201183.6Not deficientFairGoodFair6800
October 200984.6Not deficientSatisfactoryGoodFair7069
August 200768.5Structurally deficientSatisfactorySatisfactoryPoor6818
August 200584.8Not deficientGoodGoodFair3509
August 200368.8Structurally deficientGoodGoodPoor3509
May 200184.8Not deficientGoodGoodFair3509
June 199984.8Not deficientGoodSatisfactoryFair3509
May 199795.8Not deficientGoodSatisfactorySatisfactory3344
May 199595.7Not deficientSatisfactorySatisfactorySatisfactory3344
June 199384.7Not deficientSatisfactorySatisfactoryFair3344
April 199183.7Not deficientSatisfactorySatisfactoryFair3112