US Bridges

County Highway over Elm Coulee

Good

Grand Forks County, North Dakota · City Thompson · Structure no. 000000018137300

Built
1986
39 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
275
2013 count
Owner
County
County Highway Agency

About this bridge

County Highway over Elm Coulee is a concrete culvert carrying County Highway over Elm Coulee in Grand Forks County, North Dakota. It was built in 1986, so it is 39 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 275 vehicles a day, roughly 10% of them trucks, projected to reach 275 by 2033. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesElm Coulee
LocationCity Thompson
RouteCounty Highway 0
Coordinates47.76979, -97.10991
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating44.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 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 traffic275 (2013)
Projected traffic275 by 2033
Trucks10%
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 County Highway over Elm Coulee built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Highway over Elm Coulee 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 2021.

How much traffic does County Highway over Elm Coulee carry?

About 275 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is County Highway over Elm Coulee?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns County Highway over Elm Coulee?

It is owned by the County Highway Agency.