US Bridges

RTE 15U over Canisteo River

Fair

Steuben County, New York · 0.4 MI S of I-99 NB Exit · Structure no. 000000001011142

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
225 ft
2 main spans
Daily traffic
8,294
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 15U over Canisteo River is a steel stringer/multi-beam or girder carrying RTE 15U over Canisteo River in Steuben County, New York. It was built in 1969, so it is 56 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 8,294 vehicles a day, roughly 28% of them trucks, projected to reach 15,473 by 2041. The structure is 225 ft (68.6 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRTE 15U
CrossesCanisteo River
Location0.4 MI S of I-99 NB Exit
RouteInterstate 15U
CountySteuben County
StateNew York
Coordinates42.10577, -77.15471
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating53.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span110 ft (33.5 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,294 (2021)
Projected traffic15,473 by 2041
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$4.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 15U over Canisteo River built?

It was built in 1969, making it 56 years old in 2025.

What condition is RTE 15U 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 June 2024.

How much traffic does RTE 15U over Canisteo River carry?

About 8,294 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is RTE 15U over Canisteo River?

The structure is 225 ft (68.6 m) long with a longest span of 110 ft (33.5 m) and a deck 42 ft wide.

Who owns RTE 15U over Canisteo River?

It is owned by the State Highway Agency.