US Bridges

1st ST SW over Gumbo Creek

Good

Dunn County, North Dakota · 4 West 2 North Killdeer · Structure no. 000000013114280

Built
1978
47 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
70
2018 count
Owner
County
County Highway Agency

About this bridge

1st ST SW over Gumbo Creek is a concrete culvert carrying 1st ST SW over Gumbo Creek in Dunn County, North Dakota. It was built in 1978, so it is 47 years old, younger 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 70 vehicles a day, projected to reach 80 by 2038. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries1st ST SW
CrossesGumbo Creek
Location4 West 2 North Killdeer
RouteCounty Highway 0
Coordinates47.40104, -102.81212
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
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 alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 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 traffic70 (2018)
Projected traffic80 by 2038
Trucks—
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 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 1st ST SW over Gumbo Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is 1st ST SW over Gumbo 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 June 2023.

How much traffic does 1st ST SW over Gumbo Creek carry?

About 70 vehicles per day (2018 count).

How long is 1st ST SW over Gumbo Creek?

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

Who owns 1st ST SW over Gumbo Creek?

It is owned by the County Highway Agency.