US Bridges

County Road over Cottonwood Creek

Good

LaMoure County, North Dakota · 2 West 3 South of Lamoure · Structure no. 000000023133220

Built
1983
42 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
35
2018 count
Owner
County
County Highway Agency

About this bridge

County Road over Cottonwood Creek is a prestressed concrete box beam or girders - single or spread carrying County Road over Cottonwood Creek in LaMoure County, North Dakota. It was built in 1983, so it is 42 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 35 vehicles a day, projected to reach 35 by 2038. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty Road
CrossesCottonwood Creek
Location2 West 3 South of Lamoure
RouteCounty Highway 0
CountyLaMoure County
StateNorth Dakota
Coordinates46.31283, -98.34822
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.6 US tons
Inventory rating30.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span56 ft (17.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2018)
Projected traffic35 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Cottonwood Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is County Road 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 2023.

How much traffic does County Road over Cottonwood Creek carry?

About 35 vehicles per day (2018 count).

How long is County Road over Cottonwood Creek?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.1 m) and a deck 30 ft wide.

Who owns County Road over Cottonwood Creek?

It is owned by the County Highway Agency.