US Bridges

RTE 21 over Trib Cohocton Rvr

Fair

Steuben County, New York · 4 Miles East of Wayland · Structure no. 000000001096350

Built
1940
85 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,809
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 21 over Trib Cohocton Rvr is a concrete slab carrying RTE 21 over Trib Cohocton Rvr in Steuben County, New York. It was built in 1940, so it is 85 years old, older 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 1,809 vehicles a day, roughly 9% of them trucks, projected to reach 1,921 by 2041. The structure is 23 ft (7 m) long and 34 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesRTE 21
CrossesTrib Cohocton Rvr
Location4 Miles East of Wayland
RouteState Highway 21
CountySteuben County
StateNew York
Coordinates42.56319, -77.51007
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadOther
Structure length23 ft (7 m)
Longest span20 ft (6 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,809 (2020)
Projected traffic1,921 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 km)
TollOn a free road
National Highway SystemNo

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$714,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 21 over Trib Cohocton Rvr built?

It was built in 1940, making it 85 years old in 2025.

What condition is RTE 21 over Trib Cohocton Rvr 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 June 2023.

How much traffic does RTE 21 over Trib Cohocton Rvr carry?

About 1,809 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RTE 21 over Trib Cohocton Rvr?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6 m) and a deck 34 ft wide.

Who owns RTE 21 over Trib Cohocton Rvr?

It is owned by the State Highway Agency.