US Bridges

County Road over Coulee

Fair

Grand Forks County, North Dakota · 5 West 5 South Inkster · Structure no. 000000018107080

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Slab
Wood or Timber
Length
32 ft
1 main span
Daily traffic
35
2019 count
Owner
County
County Highway Agency

About this bridge

County Road over Coulee is a wood or timber slab carrying County Road over Coulee in Grand Forks County, North Dakota. It was built in 1965, so it is 60 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.

It carries about 35 vehicles a day, projected to reach 35 by 2039. The structure is 32 ft (9.8 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesCoulee
Location5 West 5 South Inkster
RouteCounty Highway 0
CountyGrand Forks County
StateNorth Dakota
Coordinates48.07889, -97.7585
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating31.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2019)
Projected traffic35 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 Coulee built?

It was built in 1965, making it 60 years old in 2025.

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 September 2023.

How much traffic does County Road over Coulee carry?

About 35 vehicles per day (2019 count).

How long is County Road over Coulee?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns County Road over Coulee?

It is owned by the County Highway Agency.