US Bridges

Gravel Cnty Road over Bonehill Creek

Fair

LaMoure County, North Dakota · 6 East 2 North of Jud · Structure no. 000000023113060

Built
1939
86 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
24
2018 count
Owner
County
County Highway Agency

About this bridge

Gravel Cnty Road over Bonehill Creek is a concrete slab carrying Gravel Cnty Road over Bonehill Creek in LaMoure County, North Dakota. It was built in 1939, so it is 86 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 24 vehicles a day, projected to reach 24 by 2038. The structure is 22 ft (6.7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGravel Cnty Road
CrossesBonehill Creek
Location6 East 2 North of Jud
RouteCounty Highway 0
CountyLaMoure County
StateNorth Dakota
Coordinates46.55589, -98.76742
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2018)
Projected traffic24 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 Gravel Cnty Road over Bonehill Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is Gravel Cnty 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 April 2024.

How much traffic does Gravel Cnty Road over Bonehill Creek carry?

About 24 vehicles per day (2018 count).

How long is Gravel Cnty Road over Bonehill Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Gravel Cnty Road over Bonehill Creek?

It is owned by the County Highway Agency.