US Bridges

RTE 394 over Moon Brook

Good

Chautauqua County, New York · 2.8 MI NE JCT Rts 394 &60 · Structure no. 000000001012110

Built
1997
28 years old
Condition
Good
inspected September 2024
Type
Frame
Concrete
Length
39 ft
1 main span
Daily traffic
10,382
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 394 over Moon Brook is a concrete frame carrying RTE 394 over Moon Brook in Chautauqua County, New York. It was built in 1997, so it is 28 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,382 vehicles a day, roughly 6% of them trucks, projected to reach 10,430 by 2041. The structure is 39 ft (11.9 m) long and 66 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 394
CrossesMoon Brook
Location2.8 MI NE JCT Rts 394 &60
RouteState Highway 394
Coordinates42.11734, -79.19983
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating45 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length39 ft (11.9 m)
Longest span36 ft (10.9 m)
Deck width66 ft (20.1 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,382 (2018)
Projected traffic10,430 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

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$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 394 over Moon Brook built?

It was built in 1997, making it 28 years old in 2025.

What condition is RTE 394 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 2024.

How much traffic does RTE 394 over Moon Brook carry?

About 10,382 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is RTE 394 over Moon Brook?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (10.9 m) and a deck 66 ft wide.

Who owns RTE 394 over Moon Brook?

It is owned by the State Highway Agency.