US Bridges

County Road 18 over Trib. Wrights Crk

Good

Cattaraugus County, New York · 2.7 MI W of Humphrey · Structure no. 000000003370230

Built
2005
20 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
1,627
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 18 over Trib. Wrights Crk is a concrete culvert carrying County Road 18 over Trib. Wrights Crk in Cattaraugus County, New York. It was built in 2005, so it is 20 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,627 vehicles a day, roughly 5% of them trucks, projected to reach 2,278 by 2041. The structure is 24 ft (7.3 m) long and 50 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesCounty Road 18
CrossesTrib. Wrights Crk
Location2.7 MI W of Humphrey
RouteCounty Highway 0
Coordinates42.20186, -78.55606
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.5 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width50 ft (15.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,627 (2021)
Projected traffic2,278 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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$584,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 18 over Trib. Wrights Crk built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Road 18 over Trib. Wrights Crk 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 July 2023.

How much traffic does County Road 18 over Trib. Wrights Crk carry?

About 1,627 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is County Road 18 over Trib. Wrights Crk?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 50 ft wide.

Who owns County Road 18 over Trib. Wrights Crk?

It is owned by the County Highway Agency.