US Bridges

County Highway over Bone Hill Creek

Good

LaMoure County, North Dakota · 3 West of Dickey · Structure no. 000000023124070

Built
1997
28 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
135
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Bone Hill Creek is a prestressed concrete box beam or girders - single or spread carrying County Highway over Bone Hill Creek in LaMoure County, North Dakota. It was built in 1997, so it is 28 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 135 vehicles a day, roughly 15% of them trucks, projected to reach 126 by 2038. The structure is 84 ft (25.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesBone Hill Creek
Location3 West of Dickey
RouteCounty Highway 2308
Coordinates46.52941, -98.53906
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating37.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length84 ft (25.6 m)
Longest span79 ft (24.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2018)
Projected traffic126 by 2038
Trucks15%
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 County Highway over Bone Hill Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Highway over Bone Hill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does County Highway over Bone Hill Creek carry?

About 135 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is County Highway over Bone Hill Creek?

The structure is 84 ft (25.6 m) long with a longest span of 79 ft (24.1 m) and a deck 31 ft wide.

Who owns County Highway over Bone Hill Creek?

It is owned by the County Highway Agency.