US Bridges

US Highway 85 over Lonesome Creek

Good

McKenzie County, North Dakota · 2 North of Nd 68 · Structure no. 0085161277

Built
2014
11 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
9,955
2019 count
Owner
State
State Highway Agency

About this bridge

US Highway 85 over Lonesome Creek is a concrete culvert carrying US Highway 85 over Lonesome Creek in McKenzie County, North Dakota. It was built in 2014, so it is 11 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 9,955 vehicles a day, roughly 40% of them trucks, projected to reach 16,700 by 2039. The structure is 45 ft (13.8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS Highway 85
CrossesLonesome Creek
Location2 North of Nd 68
RouteU.S. Route 85
Coordinates47.8329, -103.65866
Functional classRural Principal Arterial - Other

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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
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 rating107.1 US tons
Inventory rating103.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length45 ft (13.8 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 traffic9,955 (2019)
Projected traffic16,700 by 2039
Trucks40%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US Highway 85 over Lonesome Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is US Highway 85 over Lonesome 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 November 2023.

How much traffic does US Highway 85 over Lonesome Creek carry?

About 9,955 vehicles per day (2019 count), of which roughly 40% are trucks.

How long is US Highway 85 over Lonesome Creek?

The structure is 45 ft (13.8 m) long with a longest span of 10 ft (3 m).

Who owns US Highway 85 over Lonesome Creek?

It is owned by the State Highway Agency.