US Bridges

Nd Highway 28 over Oleaas Coulee

Good

Ward County, North Dakota · 4 South of U.S. 52 · Structure no. 0028050695

Built
1966
59 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
370
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 28 over Oleaas Coulee is a concrete culvert carrying Nd Highway 28 over Oleaas Coulee in Ward County, North Dakota. It was built in 1966, so it is 59 years old, older 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 370 vehicles a day, roughly 22% of them trucks, projected to reach 370 by 2039. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 24.2 mi (39 km).

CarriesNd Highway 28
CrossesOleaas Coulee
Location4 South of U.S. 52
RouteState Highway 28
Coordinates48.38473, -101.73453
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 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 rating110.1 US tons
Inventory rating99.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 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 traffic370 (2019)
Projected traffic370 by 2039
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

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 28 over Oleaas Coulee built?

It was built in 1966, making it 59 years old in 2025.

What condition is Nd Highway 28 over Oleaas 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 November 2023.

How much traffic does Nd Highway 28 over Oleaas Coulee carry?

About 370 vehicles per day (2019 count), of which roughly 22% are trucks.

How long is Nd Highway 28 over Oleaas Coulee?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns Nd Highway 28 over Oleaas Coulee?

It is owned by the State Highway Agency.