US Bridges

County Hwy. over First Larson Coulee

Good

Ward County, North Dakota · 3 West 3 North Logan · Structure no. 000000051146410

Built
2015
10 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
950
2019 count
Owner
County
County Highway Agency

About this bridge

County Hwy. over First Larson Coulee is a concrete culvert carrying County Hwy. over First Larson Coulee in Ward County, North Dakota. It was built in 2015, so it is 10 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 950 vehicles a day, roughly 6% of them trucks, projected to reach 950 by 2039. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Hwy.
CrossesFirst Larson Coulee
Location3 West 3 North Logan
RouteCounty Highway 0
CountyWard County
StateNorth Dakota
Coordinates48.19652, -101.23655
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40.6 US tons
Inventory rating31.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2019)
Projected traffic950 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$29,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Hwy. over First Larson Coulee built?

It was built in 2015, making it 10 years old in 2025.

What condition is County Hwy. over First Larson Coulee 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 May 2023.

How much traffic does County Hwy. over First Larson Coulee carry?

About 950 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is County Hwy. over First Larson Coulee?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns County Hwy. over First Larson Coulee?

It is owned by the County Highway Agency.