US Bridges

County Highway over Salt Water Coulee

Good

Grand Forks County, North Dakota · 1 West 5 South of Manvel · Structure no. 000000018133130

Built
1986
39 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
305
2013 count
Owner
County
County Highway Agency

About this bridge

County Highway over Salt Water Coulee is a concrete culvert carrying County Highway over Salt Water 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 305 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2033. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCounty Highway
CrossesSalt Water Coulee
Location1 West 5 South of Manvel
RouteCounty Highway 1812
Coordinates48.00607, -97.20861
Functional classRural Major Collector

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 inspectionAugust 2023
Inspection intervalevery 24 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 rating54.5 US tons
Inventory rating32.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic305 (2013)
Projected traffic300 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Salt Water Coulee built?

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

What condition is County Highway over Salt Water 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 August 2023.

How much traffic does County Highway over Salt Water Coulee carry?

About 305 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is County Highway over Salt Water Coulee?

The structure is 41 ft (12.5 m) long with a longest span of 13 ft (4 m).

Who owns County Highway over Salt Water Coulee?

It is owned by the County Highway Agency.