US Bridges

RTE I86 over Grubb Hill Road

Fair

Chautauqua County, New York · 1.7 MI E Kennedy Int · Structure no. 000000001062662

Built
1967
58 years old, rebuilt 2019
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
168 ft
3 main spans
Daily traffic
5,631
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over Grubb Hill Road is a steel stringer/multi-beam or girder carrying RTE I86 over Grubb Hill Road in Chautauqua County, New York. It was built in 1967 and reconstructed in 2019, so it is 58 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 5,631 vehicles a day, roughly 18% of them trucks, projected to reach 6,706 by 2041. The structure is 168 ft (51.2 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I86
CrossesGrubb Hill Road
Location1.7 MI E Kennedy Int
RouteInterstate 86
CountyChautauqua County
StateNew York
Coordinates42.152, -79.06137
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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span74 ft (22.5 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,631 (2020)
Projected traffic6,706 by 2041
Trucks18%
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$3.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I86 over Grubb Hill Road built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2019.

What condition is RTE I86 over Grubb Hill Road 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 May 2023.

How much traffic does RTE I86 over Grubb Hill Road carry?

About 5,631 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is RTE I86 over Grubb Hill Road?

The structure is 168 ft (51.2 m) long with a longest span of 74 ft (22.5 m) and a deck 33 ft wide.

Who owns RTE I86 over Grubb Hill Road?

It is owned by the State Highway Agency.