US Bridges

County Highway over Creek

Good

Slope County, North Dakota · 10 West of Amidon · Structure no. 000000044126110

Built
1984
41 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
60
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Creek is a concrete culvert carrying County Highway over Creek in Slope County, North Dakota. It was built in 1984, so it is 41 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 60 vehicles a day, projected to reach 100 by 2038. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesCreek
Location10 West of Amidon
RouteCounty Highway 4417
CountySlope County
StateNorth Dakota
Coordinates46.4733, -103.5208
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2018)
Projected traffic100 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is County Highway over 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 August 2021.

How much traffic does County Highway over Creek carry?

About 60 vehicles per day (2018 count).

How long is County Highway over Creek?

The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m).

Who owns County Highway over Creek?

It is owned by the County Highway Agency.