US Bridges

County Road 13 over Br Twentymile Crk

Good

Chautauqua County, New York · 0.6 MI SW of Sheldon Cnrs · Structure no. 000000003325480

Built
2017
8 years old
Condition
Good
inspected October 2023
Type
Frame
Concrete
Length
34 ft
1 main span
Daily traffic
85
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 13 over Br Twentymile Crk is a concrete frame carrying County Road 13 over Br Twentymile Crk in Chautauqua County, New York. It was built in 2017, so it is 8 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 85 vehicles a day, roughly 12% of them trucks, projected to reach 119 by 2038. The structure is 34 ft (10.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 13
CrossesBr Twentymile Crk
Location0.6 MI SW of Sheldon Cnrs
RouteCounty Highway 0
Coordinates42.1747, -79.66245
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating87.6 US tons
Inventory rating45 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2018)
Projected traffic119 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$765,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 13 over Br Twentymile Crk built?

It was built in 2017, making it 8 years old in 2025.

What condition is County Road 13 over Br Twentymile 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 October 2023.

How much traffic does County Road 13 over Br Twentymile Crk carry?

About 85 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is County Road 13 over Br Twentymile Crk?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 27 ft wide.

Who owns County Road 13 over Br Twentymile Crk?

It is owned by the County Highway Agency.