US Bridges

County Highway over Coulee

Fair

Grand Forks County, North Dakota · 6 East Emerado · Structure no. 000000018131203

Built
1950
75 years old, rebuilt 2015
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
180
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 1950 and reconstructed in 2015, so it is 75 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 180 vehicles a day, roughly 12% of them trucks, projected to reach 180 by 2039. The structure is 52 ft (15.8 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 Highway
CrossesCoulee
Location6 East Emerado
RouteCounty Highway 0
CountyGrand Forks County
StateNorth Dakota
Coordinates47.91853, -97.24755
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.3 US tons
Inventory rating32.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2019)
Projected traffic180 by 2039
Trucks12%
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$53,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Coulee built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2015.

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 180 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is County Highway over Coulee?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns County Highway over Coulee?

It is owned by the County Highway Agency.