US Bridges

RTE I390 over Cohocton River

Fair

Steuben County, New York · 5.0 MI NW of I-390 NB Exi · Structure no. 000000001090682

Built
1976
49 years old, rebuilt 2009
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
1 main span
Daily traffic
5,092
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I390 over Cohocton River is a steel stringer/multi-beam or girder carrying RTE I390 over Cohocton River in Steuben County, New York. It was built in 1976 and reconstructed in 2009, so it is 49 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 6 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 5,092 vehicles a day, roughly 35% of them trucks, projected to reach 9,499 by 2041. The structure is 136 ft (41.5 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I390
CrossesCohocton River
Location5.0 MI NW of I-390 NB Exi
RouteInterstate 390
Coordinates42.44944, -77.47412
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span132 ft (40.2 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,092 (2021)
Projected traffic9,499 by 2041
Trucks35%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I390 over Cohocton River built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2009.

What condition is RTE I390 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 September 2024.

How much traffic does RTE I390 over Cohocton River carry?

About 5,092 vehicles per day (2021 count), of which roughly 35% are trucks.

How long is RTE I390 over Cohocton River?

The structure is 136 ft (41.5 m) long with a longest span of 132 ft (40.2 m) and a deck 44 ft wide.

Who owns RTE I390 over Cohocton River?

It is owned by the State Highway Agency.