US Bridges

RTE I86 over French Creek

Fair

Chautauqua County, New York · 2.2 MI E JCT SH 430 & I86 · Structure no. 000000001091782

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
4,069
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over French Creek is a prestressed concrete stringer/multi-beam or girder carrying RTE I86 over French Creek in Chautauqua 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 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 4,069 vehicles a day, roughly 32% of them trucks, projected to reach 4,845 by 2041. The structure is 93 ft (28.3 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I86
CrossesFrench Creek
Location2.2 MI E JCT SH 430 & I86
RouteInterstate 86
Coordinates42.14588, -79.61303
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span88 ft (26.8 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,069 (2020)
Projected traffic4,845 by 2041
Trucks32%
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$3.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I86 over French Creek built?

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

What condition is RTE I86 over French 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 May 2023.

How much traffic does RTE I86 over French Creek carry?

About 4,069 vehicles per day (2020 count), of which roughly 32% are trucks.

How long is RTE I86 over French Creek?

The structure is 93 ft (28.3 m) long with a longest span of 88 ft (26.8 m) and a deck 44 ft wide.

Who owns RTE I86 over French Creek?

It is owned by the State Highway Agency.