US Bridges

County Highway over Coulee

Fair

Ramsey County, North Dakota · 4 E 8 S Starkweather · Structure no. 000000036119140

Built
1979
46 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Coulee is a prestressed concrete tee beam carrying County Highway over Coulee in Ramsey County, North Dakota. It was built in 1979, so it is 46 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 20 vehicles a day, projected to reach 20 by 2038. The structure is 36 ft (11 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 Highway
CrossesCoulee
Location4 E 8 S Starkweather
RouteCounty Highway 0
CountyRamsey County
StateNorth Dakota
Coordinates48.33993, -98.79647
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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 alignment7: Better than present minimum criteria
Operating rating78.3 US tons
Inventory rating46.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic20 by 2038
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 1979, making it 46 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 November 2024.

How much traffic does County Highway over Coulee carry?

About 20 vehicles per day (2018 count).

How long is County Highway over Coulee?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 30 ft wide.

Who owns County Highway over Coulee?

It is owned by the County Highway Agency.