US Bridges

RTE I86 over Cohocton River

Fair

Steuben County, New York · 0.5 Mi. W JCT Rts 17+390 · Structure no. 000000001061692

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
362 ft
3 main spans
Daily traffic
3,752
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over Cohocton River is a steel stringer/multi-beam or girder carrying RTE I86 over Cohocton River in Steuben County, New York. It was built in 1973, so it is 52 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,752 vehicles a day, roughly 25% of them trucks, projected to reach 6,999 by 2041. The structure is 362 ft (110.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I86
CrossesCohocton River
Location0.5 Mi. W JCT Rts 17+390
RouteInterstate 86
CountySteuben County
StateNew York
Coordinates42.38924, -77.39116
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length362 ft (110.3 m)
Longest span170 ft (51.8 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,752 (2021)
Projected traffic6,999 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$7.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I86 over Cohocton River built?

It was built in 1973, making it 52 years old in 2025.

What condition is RTE I86 over Cohocton River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does RTE I86 over Cohocton River carry?

About 3,752 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is RTE I86 over Cohocton River?

The structure is 362 ft (110.3 m) long with a longest span of 170 ft (51.8 m) and a deck 42 ft wide.

Who owns RTE I86 over Cohocton River?

It is owned by the State Highway Agency.