US Bridges

Mill Street over Cohocton River

Fair

Steuben County, New York · .1 Mile West of Erie Stre · Structure no. 000000002218060

Built
1996
29 years old, rebuilt 2024
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
185
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mill Street over Cohocton River is a steel stringer/multi-beam or girder carrying Mill Street over Cohocton River in Steuben County, New York. It was built in 1996 and reconstructed in 2024, so it is 29 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 185 vehicles a day, roughly 19% of them trucks, projected to reach 259 by 2038. The structure is 50 ft (15.2 m) long and 25 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMill Street
CrossesCohocton River
Location.1 Mile West of Erie Stre
Coordinates42.49439, -77.50356
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (2018)
Projected traffic259 by 2038
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Street over Cohocton River built?

It was built in 1996, making it 29 years old in 2025. It was reconstructed in 2024.

What condition is Mill Street 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 July 2024.

How much traffic does Mill Street over Cohocton River carry?

About 185 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is Mill Street over Cohocton River?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 25 ft wide.

Who owns Mill Street over Cohocton River?

It is owned by the Town or Township Highway Agency and maintained by the County Highway Agency.