US Bridges

55th ST SW over Creek

Good

Hettinger County, North Dakota · 4 East 13 North of Regent · Structure no. 000000021122010

Built
1967
58 years old
Condition
Good
inspected October 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

55th ST SW over Creek is a concrete channel beam carrying 55th ST SW over Creek in Hettinger County, North Dakota. It was built in 1967, so it is 58 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 20 vehicles a day, projected to reach 20 by 2038. The structure is 31 ft (9.4 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries55th ST SW
CrossesCreek
Location4 East 13 North of Regent
RouteCounty Highway 0
Coordinates46.61666, -102.47254
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating55.1 US tons
Inventory rating33 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic20 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 55th ST SW over Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is 55th ST SW 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 October 2024.

How much traffic does 55th ST SW over Creek carry?

About 20 vehicles per day (2018 count).

How long is 55th ST SW over Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 23 ft wide.

Who owns 55th ST SW over Creek?

It is owned by the County Highway Agency.