US Bridges

County Highway over Cottonwood Creek

Good

LaMoure County, North Dakota · 1 East 5 South Lamoure · Structure no. 000000023138240

Built
1997
28 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Cottonwood Creek is a concrete culvert carrying County Highway over Cottonwood 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 50 by 2038. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Highway
CrossesCottonwood Creek
Location1 East 5 South Lamoure
RouteCounty Highway 0
CountyLaMoure County
StateNorth Dakota
Coordinates46.28299, -98.26341
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length21 ft (6.4 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 traffic50 (2018)
Projected traffic50 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Cottonwood Creek built?

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

What condition is County Highway over Cottonwood 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 October 2021.

How much traffic does County Highway over Cottonwood Creek carry?

About 50 vehicles per day (2018 count).

How long is County Highway over Cottonwood Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns County Highway over Cottonwood Creek?

It is owned by the County Highway Agency.