+42.44269, -76.03181
42°26'34" N, 76°01'55" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Structure number:000000001031310
Location:I81 NB & SB @ MARATHON
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:19.7 ft. [6.0 m]
Total length:45.9 ft. [14.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1966
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:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:19,721 [as of 2009]
Truck traffic:30% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:84.6 tons [76.9 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:79.8
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$3,120,000

Previous Inspections 

DateSuff. RatingConditionCulvert ConditionSD/FOADT
April 201679.8Good7 out of 10-19721
April 201497.0Good7 out of 10-19721
April 201297.0Good7 out of 10-19700
May 201099.0Good7 out of 10-2020
May 200899.0Fair6 out of 10-2020
May 200699.0Fair6 out of 10-2020
June 200485.0Good7 out of 10-2020
April 200285.0Good7 out of 10-2020
May 200085.0Good7 out of 10-2020
May 199885.0Good7 out of 10-2020
May 199655.8Poor4 out of 10SD15785
June 199455.8Poor4 out of 10SD15785
June 199274.0Fair5 out of 10-15785
May 199074.0Fair5 out of 10-15785