US Bridges

County Highway over Coulee

Fair

Ramsey County, North Dakota · 5 North Edmore · Structure no. 000000036134040

Built
2016
9 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
75
2017 count
Owner
County
County Highway Agency

About this bridge

County Highway over Coulee is a concrete culvert carrying County Highway over Coulee in Ramsey County, North Dakota. It was built in 2016, so it is 9 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 75 vehicles a day, roughly 12% of them trucks, projected to reach 100 by 2037. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesCoulee
Location5 North Edmore
RouteCounty Highway 3609
CountyRamsey County
StateNorth Dakota
Coordinates48.48586, -98.45728
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2017)
Projected traffic100 by 2037
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Coulee built?

It was built in 2016, making it 9 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 75 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is County Highway over Coulee?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns County Highway over Coulee?

It is owned by the County Highway Agency.