US Bridges

County Road 21 over Canisteo River

Fair

Steuben County, New York · 0.5 MI N of CR 21 & 119 · Structure no. 000000003333280

Built
1990
35 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
2 main spans
Daily traffic
678
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 21 over Canisteo River is a steel continuous stringer/multi-beam or girder carrying County Road 21 over Canisteo River in Steuben County, New York. It was built in 1990, so it is 35 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 678 vehicles a day, roughly 6% of them trucks, projected to reach 949 by 2038. The structure is 238 ft (72.5 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCounty Road 21
CrossesCanisteo River
Location0.5 MI N of CR 21 & 119
RouteCounty Highway 0
CountySteuben County
StateNew York
Coordinates42.13601, -77.32067
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span116 ft (35.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic678 (2018)
Projected traffic949 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 21 over Canisteo River built?

It was built in 1990, making it 35 years old in 2025.

What condition is County Road 21 over Canisteo 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 2023.

How much traffic does County Road 21 over Canisteo River carry?

About 678 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is County Road 21 over Canisteo River?

The structure is 238 ft (72.5 m) long with a longest span of 116 ft (35.3 m) and a deck 30 ft wide.

Who owns County Road 21 over Canisteo River?

It is owned by the County Highway Agency.