US Bridges

County Road over Buffalo Coulee

Fair

Grand Forks County, North Dakota · 1 North 9 East Reynolds · Structure no. 000000018147350

Built
2001
24 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
24
2019 count
Owner
County
County Highway Agency

About this bridge

County Road over Buffalo Coulee is a prestressed concrete tee beam carrying County Road over Buffalo Coulee in Grand Forks County, North Dakota. It was built in 2001, so it is 24 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 24 vehicles a day, projected to reach 24 by 2039. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesBuffalo Coulee
Location1 North 9 East Reynolds
RouteCounty Highway 0
CountyGrand Forks County
StateNorth Dakota
Coordinates47.68639, -96.91689
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating58.1 US tons
Inventory rating30.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length50 ft (15.2 m)
Longest span49 ft (14.8 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2019)
Projected traffic24 by 2039
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 Road over Buffalo Coulee built?

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

What condition is County Road 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 June 2023.

How much traffic does County Road over Buffalo Coulee carry?

About 24 vehicles per day (2019 count).

How long is County Road over Buffalo Coulee?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 30 ft wide.

Who owns County Road over Buffalo Coulee?

It is owned by the County Highway Agency.