US Bridges

County Highway over Buffalo Coulee

Good

Traill County, North Dakota · 4 East 1 South Buxton · Structure no. 000000049122061

Built
2004
21 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Buffalo Coulee is a concrete culvert carrying County Highway over Buffalo Coulee in Traill County, North Dakota. It was built in 2004, so it is 21 years old, younger than the North Dakota average of 48.2 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 20 vehicles a day, projected to reach 20 by 2038. The structure is 38 ft (11.6 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Highway
CrossesBuffalo Coulee
Location4 East 1 South Buxton
RouteCounty Highway 0
CountyTraill County
StateNorth Dakota
Coordinates47.59142, -97.00558
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width50 ft (15.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic20 by 2038
Trucks—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Buffalo Coulee built?

It was built in 2004, making it 21 years old in 2025.

What condition is County Highway over Buffalo Coulee 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 September 2024.

How much traffic does County Highway over Buffalo Coulee carry?

About 20 vehicles per day (2018 count).

How long is County Highway over Buffalo Coulee?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 50 ft wide.

Who owns County Highway over Buffalo Coulee?

It is owned by the County Highway Agency.