US Bridges

County Highway over Buffalo Coulee

Fair

Traill County, North Dakota · 1 East 2 South Buxton · Structure no. 000000049119070

Built
2016
9 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
80
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 2016, so it is 9 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 80 vehicles a day, projected to reach 80 by 2038. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Highway
CrossesBuffalo Coulee
Location1 East 2 South Buxton
RouteCounty Highway 0
CountyTraill County
StateNorth Dakota
Coordinates47.57598, -97.06999
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2018)
Projected traffic80 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$32,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Buffalo Coulee built?

It was built in 2016, making it 9 years old in 2025.

What condition is County Highway over Buffalo Coulee in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does County Highway over Buffalo Coulee carry?

About 80 vehicles per day (2018 count).

How long is County Highway over Buffalo Coulee?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns County Highway over Buffalo Coulee?

It is owned by the County Highway Agency.