US Bridges

RTE I86 over Olean Creek

Fair

Cattaraugus County, New York · 4.2 MI SW JCT Rts 17 + 16 · Structure no. 000000001092121

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
261 ft
3 main spans
Daily traffic
5,279
2014 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over Olean Creek is a steel stringer/multi-beam or girder carrying RTE I86 over Olean Creek in Cattaraugus County, New York. It was built in 1972, so it is 53 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 5,279 vehicles a day, roughly 19% of them trucks, projected to reach 10,100 by 2031. The structure is 261 ft (79.6 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I86
CrossesOlean Creek
Location4.2 MI SW JCT Rts 17 + 16
RouteInterstate 86
CountyCattaraugus County
StateNew York
Coordinates42.12326, -78.41786
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107 US tons
Inventory rating64 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length261 ft (79.6 m)
Longest span85 ft (25.9 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,279 (2014)
Projected traffic10,100 by 2031
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$7.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I86 over Olean Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is RTE I86 over Olean 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 June 2024.

How much traffic does RTE I86 over Olean Creek carry?

About 5,279 vehicles per day (2014 count), of which roughly 19% are trucks.

How long is RTE I86 over Olean Creek?

The structure is 261 ft (79.6 m) long with a longest span of 85 ft (25.9 m) and a deck 44 ft wide.

Who owns RTE I86 over Olean Creek?

It is owned by the State Highway Agency.