US Bridges

US Highway 12 over Creek

Good

Bowman County, North Dakota · 5 East of Rhame · Structure no. 0012025790

Built
1949
76 years old, rebuilt 1976
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,000
2019 count
Owner
State
State Highway Agency

About this bridge

US Highway 12 over Creek is a concrete culvert carrying US Highway 12 over Creek in Bowman County, North Dakota. It was built in 1949 and reconstructed in 1976, so it is 76 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 1,000 vehicles a day, roughly 17% of them trucks, projected to reach 1,050 by 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 29.2 mi (47 km).

CarriesUS Highway 12
CrossesCreek
Location5 East of Rhame
RouteU.S. Route 12
Coordinates46.21464, -103.55461
Functional classRural Minor Arterial

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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.5 US tons
Inventory rating21.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic1,000 (2019)
Projected traffic1,050 by 2039
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 US Highway 12 over Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1976.

What condition is US Highway 12 over 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 12 over Creek carry?

About 1,000 vehicles per day (2019 count), of which roughly 17% are trucks.

How long is US Highway 12 over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns US Highway 12 over Creek?

It is owned by the State Highway Agency.