US Bridges

Kent Switch Road over Trb Conewango Crk

Good

Cattaraugus County, New York · 2.1 MI S of South Dayton · Structure no. 000000003322270

Built
2001
24 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
141
2021 count
Owner
County
County Highway Agency

About this bridge

Kent Switch Road over Trb Conewango Crk is a steel stringer/multi-beam or girder carrying Kent Switch Road over Trb Conewango Crk in Cattaraugus County, New York. It was built in 2001, so it is 24 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 141 vehicles a day, roughly 8% of them trucks, projected to reach 197 by 2041. The structure is 39 ft (11.9 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesKent Switch Road
CrossesTrb Conewango Crk
Location2.1 MI S of South Dayton
Coordinates42.32559, -79.05643
Functional classRural Local

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 inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating73 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span38 ft (11.6 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141 (2021)
Projected traffic197 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$3.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kent Switch Road over Trb Conewango Crk built?

It was built in 2001, making it 24 years old in 2025.

What condition is Kent Switch Road over Trb Conewango 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 August 2023.

How much traffic does Kent Switch Road over Trb Conewango Crk carry?

About 141 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Kent Switch Road over Trb Conewango Crk?

The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 31 ft wide.

Who owns Kent Switch Road over Trb Conewango Crk?

It is owned by the County Highway Agency.