US Bridges

12th ST over Creek

Fair

Hettinger County, North Dakota · East of New England · Structure no. 000000021104061

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
550
2016 count
Owner
County
County Highway Agency

About this bridge

12th ST over Creek is a concrete culvert carrying 12th ST over Creek in Hettinger County, North Dakota. It was built in 1958, so it is 67 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 550 vehicles a day, roughly 10% of them trucks, projected to reach 550 by 2036. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries12th ST
CrossesCreek
LocationEast of New England
RouteCounty Highway 2126
Coordinates46.54535, -102.8546
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length30 ft (9.1 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 traffic550 (2016)
Projected traffic550 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 12th ST over Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is 12th ST over Creek 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 October 2024.

How much traffic does 12th ST over Creek carry?

About 550 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is 12th ST over Creek?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns 12th ST over Creek?

It is owned by the County Highway Agency.