US Bridges

RTE I86 over Moon Brook

Good

Chautauqua County, New York · 0.7 MI E JCT Rts 17 + 60 · Structure no. 000000001092002

Built
1973
52 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
4,857
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over Moon Brook is a concrete continuous culvert carrying RTE I86 over Moon Brook 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 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 4,857 vehicles a day, roughly 20% of them trucks, projected to reach 5,442 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
CrossesMoon Brook
Location0.7 MI E JCT Rts 17 + 60
RouteState Highway 86
Coordinates42.12426, -79.2292
Functional classUrban 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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,857 (2021)
Projected traffic5,442 by 2041
Trucks20%
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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I86 over Moon Brook built?

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

What condition is RTE I86 over Moon Brook 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 September 2023.

How much traffic does RTE I86 over Moon Brook carry?

About 4,857 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is RTE I86 over Moon Brook?

The structure is 37 ft (11.3 m) long with a longest span of 15 ft (4.5 m).

Who owns RTE I86 over Moon Brook?

It is owned by the State Highway Agency.