US Bridges

RTE I86 over Conewango Creek

Good

Chautauqua County, New York · 0.6 MI W Kennedy Int · Structure no. 000000001062632

Built
1967
58 years old, rebuilt 2017
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
2 main spans
Daily traffic
4,926
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over Conewango Creek is a steel stringer/multi-beam or girder carrying RTE I86 over Conewango Creek in Chautauqua County, New York. It was built in 1967 and reconstructed in 2017, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,926 vehicles a day, roughly 19% of them trucks, projected to reach 5,867 by 2041. The structure is 136 ft (41.5 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I86
CrossesConewango Creek
Location0.6 MI W Kennedy Int
RouteInterstate 86
CountyChautauqua County
StateNew York
Coordinates42.14077, -79.10392
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span65 ft (19.8 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,926 (2021)
Projected traffic5,867 by 2041
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$3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I86 over Conewango Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2017.

What condition is RTE I86 over Conewango Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does RTE I86 over Conewango Creek carry?

About 4,926 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is RTE I86 over Conewango Creek?

The structure is 136 ft (41.5 m) long with a longest span of 65 ft (19.8 m) and a deck 33 ft wide.

Who owns RTE I86 over Conewango Creek?

It is owned by the State Highway Agency.