US Bridges

RTE I90 over Canadaway Creek

Fair

Chautauqua County, New York · 2.9 MI W of Dunkirk Int · Structure no. 000000005511322

Built
1957
68 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
8,444
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I90 over Canadaway Creek is a steel stringer/multi-beam or girder carrying RTE I90 over Canadaway Creek in Chautauqua County, New York. It was built in 1957, so it is 68 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 8,444 vehicles a day, roughly 49% of them trucks, projected to reach 9,463 by 2041. The structure is 80 ft (24.4 m) long and 56 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesRTE I90
CrossesCanadaway Creek
Location2.9 MI W of Dunkirk Int
RouteInterstate 90
CountyChautauqua County
StateNew York
Coordinates42.45668, -79.36094
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length80 ft (24.4 m)
Longest span77 ft (23.5 m)
Deck width56 ft (17 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,444 (2020)
Projected traffic9,463 by 2041
Trucks49%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I90 over Canadaway Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is RTE I90 over Canadaway Creek 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 2023.

How much traffic does RTE I90 over Canadaway Creek carry?

About 8,444 vehicles per day (2020 count), of which roughly 49% are trucks.

How long is RTE I90 over Canadaway Creek?

The structure is 80 ft (24.4 m) long with a longest span of 77 ft (23.5 m) and a deck 56 ft wide.

Who owns RTE I90 over Canadaway Creek?

It is owned by the State Toll Authority.