US Bridges

County Highway over Edmore Coulee

Good

Ramsey County, North Dakota · 8 East Webster · Structure no. 000000036124180

Built
1994
31 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
170
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Edmore Coulee is a prestressed concrete box beam or girders - multiple carrying County Highway over Edmore Coulee in Ramsey County, North Dakota. It was built in 1994, so it is 31 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 170 vehicles a day, roughly 16% of them trucks, projected to reach 160 by 2038. The structure is 82 ft (25 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesCounty Highway
CrossesEdmore Coulee
Location8 East Webster
RouteCounty Highway 3618
Coordinates48.28187, -98.69799
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.8 US tons
Inventory rating47.1 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length82 ft (25 m)
Longest span78 ft (23.8 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2018)
Projected traffic160 by 2038
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Edmore Coulee built?

It was built in 1994, making it 31 years old in 2025.

What condition is County Highway over Edmore 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 November 2024.

How much traffic does County Highway over Edmore Coulee carry?

About 170 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is County Highway over Edmore Coulee?

The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m) and a deck 31 ft wide.

Who owns County Highway over Edmore Coulee?

It is owned by the County Highway Agency.