US Bridges

Nd Highway 3 over Mckenna Coulee

Good

Logan County, North Dakota · 1 South of Nd 34 · Structure no. 0003058436

Built
1983
42 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
700
2017 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 3 over Mckenna Coulee is a concrete culvert carrying Nd Highway 3 over Mckenna Coulee in Logan 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 700 vehicles a day, roughly 11% of them trucks, projected to reach 1,317 by 2037. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNd Highway 3
CrossesMckenna Coulee
Location1 South of Nd 34
RouteState Highway 3
Coordinates46.4992, -99.76908
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
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 rating110.1 US tons
Inventory rating68.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2017)
Projected traffic1,317 by 2037
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Nd Highway 3 over Mckenna Coulee built?

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

What condition is Nd Highway 3 over Mckenna 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 July 2024.

How much traffic does Nd Highway 3 over Mckenna Coulee carry?

About 700 vehicles per day (2017 count), of which roughly 11% are trucks.

How long is Nd Highway 3 over Mckenna Coulee?

The structure is 34 ft (10.3 m) long with a longest span of 10 ft (3.1 m).

Who owns Nd Highway 3 over Mckenna Coulee?

It is owned by the State Highway Agency.