US Bridges

9th ST SE over Elm River

Good

Steele County, North Dakota · 3 N 6 E of Colgate · Structure no. 000000046123272

Built
2024
1 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

9th ST SE over Elm River is a concrete culvert carrying 9th ST SE over Elm River in Steele County, North Dakota. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 34 vehicles a day, projected to reach 46 by 2042. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries9th ST SE
CrossesElm River
Location3 N 6 E of Colgate
RouteCounty Highway 0
Coordinates47.28265, -97.50271
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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.6 US tons
Inventory rating80 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic34 (2022)
Projected traffic46 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 9th ST SE over Elm River built?

It was built in 2024, making it 1 years old in 2025.

What condition is 9th ST SE over Elm River 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 May 2024.

How much traffic does 9th ST SE over Elm River carry?

About 34 vehicles per day (2022 count).

How long is 9th ST SE over Elm River?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m).

Who owns 9th ST SE over Elm River?

It is owned by the County Highway Agency.