US Bridges

US Highway 52 over Blackwater Coulee

Fair

Ward County, North Dakota · 9 Northwest of N.D. 41 · Structure no. 0052107695

Built
1960
65 years old
Condition
Fair
inspected September 2021
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
3,090
2019 count
Owner
State
State Highway Agency

About this bridge

US Highway 52 over Blackwater Coulee is a concrete culvert carrying US Highway 52 over Blackwater Coulee in Ward County, North Dakota. It was built in 1960, so it is 65 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,090 vehicles a day, roughly 15% of them trucks, projected to reach 3,090 by 2039. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesUS Highway 52
CrossesBlackwater Coulee
Location9 Northwest of N.D. 41
RouteU.S. Route 52
Coordinates48.10333, -101.10833
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 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 traffic3,090 (2019)
Projected traffic3,090 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US Highway 52 over Blackwater Coulee built?

It was built in 1960, making it 65 years old in 2025.

What condition is US Highway 52 over Blackwater Coulee in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2021.

How much traffic does US Highway 52 over Blackwater Coulee carry?

About 3,090 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is US Highway 52 over Blackwater Coulee?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns US Highway 52 over Blackwater Coulee?

It is owned by the State Highway Agency.