US Bridges

County Road over Coulee

FairPosted for load

Grand Forks County, North Dakota · 3 East 1 South Mekinock · Structure no. 000000018128140

Built
1962
63 years old, rebuilt 2004
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
25
2019 count
Owner
County
County Highway Agency

About this bridge

County Road over Coulee is a steel stringer/multi-beam or girder carrying County Road over Coulee in Grand Forks County, North Dakota. It was built in 1962 and reconstructed in 2004, so it is 63 years old, older 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 25 by 2039. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesCoulee
Location3 East 1 South Mekinock
RouteCounty Highway 0
CountyGrand Forks County
StateNorth Dakota
Coordinates47.9979, -97.30369
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.7 US tons
Inventory rating20.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.8 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic25 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$27,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Coulee built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2004.

What condition is County Road 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 August 2023.

How much traffic does County Road over Coulee carry?

About 25 vehicles per day (2019 count).

How long is County Road over Coulee?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.8 m) and a deck 28 ft wide.

Who owns County Road over Coulee?

It is owned by the County Highway Agency.