US Bridges

RTE 417 over Butternut Brook

Fair

Cattaraugus County, New York · 7.9 MI SE JCT Rts 417+ 16 · Structure no. 000000001012380

Built
1951
74 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
6,406
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 417 over Butternut Brook is a concrete slab carrying RTE 417 over Butternut Brook in Cattaraugus County, New York. It was built in 1951, so it is 74 years old, older 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 5 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 6,406 vehicles a day, roughly 6% of them trucks, projected to reach 6,764 by 2041. The structure is 30 ft (9.1 m) long and 39 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

Location

Open in Google Maps
CarriesRTE 417
CrossesButternut Brook
Location7.9 MI SE JCT Rts 417+ 16
RouteState Highway 417
CountyCattaraugus County
StateNew York
Coordinates42.01554, -78.31771
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,406 (2020)
Projected traffic6,764 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 km)
TollOn a free road
National Highway SystemNo

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$897,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 417 over Butternut Brook built?

It was built in 1951, making it 74 years old in 2025.

What condition is RTE 417 over Butternut Brook 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 July 2024.

How much traffic does RTE 417 over Butternut Brook carry?

About 6,406 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is RTE 417 over Butternut Brook?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 39 ft wide.

Who owns RTE 417 over Butternut Brook?

It is owned by the State Highway Agency.