US Bridges

County Road over Bonehill Creek

Fair

LaMoure County, North Dakota · 1 East 2 South of Dickey · Structure no. 000000023129090

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
70
2018 count
Owner
County
County Highway Agency

About this bridge

County Road over Bonehill Creek is a concrete culvert carrying County Road over Bonehill Creek in LaMoure County, North Dakota. It was built in 1962, so it is 63 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 70 vehicles a day, projected to reach 70 by 2038. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesCounty Road
CrossesBonehill Creek
Location1 East 2 South of Dickey
RouteCounty Highway 0
CountyLaMoure County
StateNorth Dakota
Coordinates46.50194, -98.44551
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 spans3
Design loadH 20
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2018)
Projected traffic70 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Bonehill Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is County Road over Bonehill 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 County Road over Bonehill Creek carry?

About 70 vehicles per day (2018 count).

How long is County Road over Bonehill Creek?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m).

Who owns County Road over Bonehill Creek?

It is owned by the County Highway Agency.