US Bridges

US Highway 81 over Willow Creek

Good

Pembina County, North Dakota · 1 North of Nd 66 West · Structure no. 0081205657

Built
2007
18 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
580
2013 count
Owner
State
State Highway Agency

About this bridge

US Highway 81 over Willow Creek is a concrete culvert carrying US Highway 81 over Willow Creek in Pembina County, North Dakota. It was built in 2007, so it is 18 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 580 vehicles a day, roughly 21% of them trucks, projected to reach 580 by 2033. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 19.3 mi (31 km).

CarriesUS Highway 81
CrossesWillow Creek
Location1 North of Nd 66 West
RouteU.S. Route 81
Coordinates48.61962, -97.45619
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length31 ft (9.6 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 traffic580 (2013)
Projected traffic580 by 2033
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 US Highway 81 over Willow Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is US Highway 81 over Willow 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 July 2024.

How much traffic does US Highway 81 over Willow Creek carry?

About 580 vehicles per day (2013 count), of which roughly 21% are trucks.

How long is US Highway 81 over Willow Creek?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).

Who owns US Highway 81 over Willow Creek?

It is owned by the State Highway Agency.