US Bridges

Olean ST over RTE I86

Fair

Allegany County, New York · 6.9 MI NE JCT Rts 17 + 19 · Structure no. 000000001062211

Built
1973
52 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
138 ft
1 main span
Daily traffic
573
2021 count
Owner
State
State Highway Agency

About this bridge

Olean ST over RTE I86 is a steel stringer/multi-beam or girder carrying Olean ST over RTE I86 in Allegany County, New York. It was built in 1973, so it is 52 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 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 573 vehicles a day, roughly 7% of them trucks. The structure is 138 ft (42.1 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesOlean ST
CrossesRTE I86
Location6.9 MI NE JCT Rts 17 + 19
RouteCounty Highway 0
CountyAllegany County
StateNew York
Coordinates42.29948, -78.02598
Functional classRural Local

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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span135 ft (41.1 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic573 (2021)
Projected traffic—
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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$4.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Olean ST over RTE I86 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Olean ST over RTE I86 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 2024.

How much traffic does Olean ST over RTE I86 carry?

About 573 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Olean ST over RTE I86?

The structure is 138 ft (42.1 m) long with a longest span of 135 ft (41.1 m) and a deck 46 ft wide.

Who owns Olean ST over RTE I86?

It is owned by the State Highway Agency.