US Bridges

County Road over Coulee

Poor

Ward County, North Dakota · 2 South of Logan · Structure no. 000000051150461

Built
1965
60 years old
Condition
Poor
inspected May 2023
Type
Channel Beam
Concrete
Length
25 ft
1 main span
Daily traffic
25
2019 count
Owner
County
County Highway Agency

About this bridge

County Road over Coulee is a concrete channel beam carrying County Road over Coulee in Ward 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25 vehicles a day, projected to reach 25 by 2039. The structure is 25 ft (7.6 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Road
CrossesCoulee
Location2 South of Logan
RouteCounty Highway 0
Coordinates48.12795, -101.14653
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating77.1 US tons
Inventory rating46.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 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 closed6.2 mi (10 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 poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 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 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.

Who owns County Road over Coulee?

It is owned by the County Highway Agency.