US Bridges

Nd Highway 8 over Coyote Creek

Fair

Dunn County, North Dakota · 5 South Jct. Nd 200 · Structure no. 0008107350

Built
1932
93 years old, rebuilt 1964
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
330
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 8 over Coyote Creek is a concrete culvert carrying Nd Highway 8 over Coyote Creek in Dunn County, North Dakota. It was built in 1932 and reconstructed in 1964, so it is 93 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 5 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 330 vehicles a day, roughly 18% of them trucks, projected to reach 371 by 2039. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 42.9 mi (69 km).

CarriesNd Highway 8
CrossesCoyote Creek
Location5 South Jct. Nd 200
RouteState Highway 8
Coordinates47.24806, -102.33527
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.3 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 traffic330 (2019)
Projected traffic371 by 2039
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.9 mi (69 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nd Highway 8 over Coyote Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1964.

What condition is Nd Highway 8 over Coyote Creek 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 October 2023.

How much traffic does Nd Highway 8 over Coyote Creek carry?

About 330 vehicles per day (2019 count), of which roughly 18% are trucks.

How long is Nd Highway 8 over Coyote Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns Nd Highway 8 over Coyote Creek?

It is owned by the State Highway Agency.