US Bridges

County Highway over Coulee

Fair

Grand Forks County, North Dakota · 1 East of Thompson · Structure no. 000000018138290

Built
2003
22 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
40
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Coulee is a prestressed concrete box beam or girders - multiple carrying County Highway over Coulee in Grand Forks County, North Dakota. It was built in 2003, so it is 22 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 40 vehicles a day, projected to reach 40 by 2039. The structure is 40 ft (12.2 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesCoulee
Location1 East of Thompson
RouteCounty Highway 0
CountyGrand Forks County
StateNorth Dakota
Coordinates47.77502, -97.08855
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 alignment7: Better than present minimum criteria
Operating rating58.3 US tons
Inventory rating34.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2019)
Projected traffic40 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 Highway over Coulee built?

It was built in 2003, making it 22 years old in 2025.

What condition is County Highway over 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 Highway over Coulee carry?

About 40 vehicles per day (2019 count).

How long is County Highway over Coulee?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 33 ft wide.

Who owns County Highway over Coulee?

It is owned by the County Highway Agency.