US Bridges

RTE I86 over Branch Conewango Creek

Good

Chautauqua County, New York · .3 MI West Exit 14 of I86 · Structure no. 000000001062672

Built
1967
58 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
37 ft
2 main spans
Daily traffic
4,926
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over Branch Conewango Creek is a steel culvert carrying RTE I86 over Branch Conewango Creek in Chautauqua County, New York. It was built in 1967, 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 37 ft (11.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I86
CrossesBranch Conewango Creek
Location.3 MI West Exit 14 of I86
RouteInterstate 86
Coordinates42.14167, -79.09911
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span17 ft (5.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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$723,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I86 over Branch Conewango Creek built?

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

What condition is RTE I86 over Branch 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 Branch Conewango Creek carry?

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

How long is RTE I86 over Branch Conewango Creek?

The structure is 37 ft (11.3 m) long with a longest span of 17 ft (5.1 m).

Who owns RTE I86 over Branch Conewango Creek?

It is owned by the State Highway Agency.