US Bridges

River Road over Four Mile Creek

Good

Cattaraugus County, New York · .8 Mile South of Allegany · Structure no. 000000003320450

Built
1987
38 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
2,532
2018 count
Owner
County
County Highway Agency

About this bridge

River Road over Four Mile Creek is a steel stringer/multi-beam or girder carrying River Road over Four Mile Creek in Cattaraugus County, New York. It was built in 1987, so it is 38 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 2,532 vehicles a day, roughly 2% of them trucks, projected to reach 2,557 by 2041. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRiver Road
CrossesFour Mile Creek
Location.8 Mile South of Allegany
RouteCounty Highway 0
Coordinates42.07428, -78.4952
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.8 US tons
Inventory rating59.3 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,532 (2018)
Projected traffic2,557 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 River Road over Four Mile Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is River Road over Four Mile 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 River Road over Four Mile Creek carry?

About 2,532 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is River Road over Four Mile Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns River Road over Four Mile Creek?

It is owned by the County Highway Agency.