US Bridges

RTE I86 over Main Street

Fair

Cattaraugus County, New York · JCT RTE 17 + Int 16 · Structure no. 000000001062692

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
145 ft
1 main span
Daily traffic
3,650
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over Main Street is a steel stringer/multi-beam or girder carrying RTE I86 over Main Street in Cattaraugus County, New York. It was built in 1971, so it is 54 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 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 3,650 vehicles a day, roughly 22% of them trucks, projected to reach 4,346 by 2041. The structure is 145 ft (44.2 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I86
CrossesMain Street
LocationJCT RTE 17 + Int 16
RouteInterstate 86
Coordinates42.15876, -78.99476
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span140 ft (42.6 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2021)
Projected traffic4,346 by 2041
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$5.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I86 over Main Street built?

It was built in 1971, making it 54 years old in 2025.

What condition is RTE I86 over Main Street 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 2024.

How much traffic does RTE I86 over Main Street carry?

About 3,650 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is RTE I86 over Main Street?

The structure is 145 ft (44.2 m) long with a longest span of 140 ft (42.6 m) and a deck 42 ft wide.

Who owns RTE I86 over Main Street?

It is owned by the State Highway Agency.