US Bridges

County Highway over Edmore Coulee

Good

Ramsey County, North Dakota · 10 East 4 North Webster · Structure no. 000000036125150

Built
1985
40 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
140
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Edmore Coulee is a prestressed concrete box beam or girders - single or spread carrying County Highway over Edmore Coulee in Ramsey County, North Dakota. It was built in 1985, so it is 40 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 140 vehicles a day, roughly 12% of them trucks, projected to reach 100 by 2038. The structure is 86 ft (26.2 m) long and 30 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesCounty Highway
CrossesEdmore Coulee
Location10 East 4 North Webster
RouteCounty Highway 3627
Coordinates48.33654, -98.66023
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.8 US tons
Inventory rating25.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length86 ft (26.2 m)
Longest span82 ft (25 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2018)
Projected traffic100 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 1985, making it 40 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 140 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is County Highway over Edmore Coulee?

The structure is 86 ft (26.2 m) long with a longest span of 82 ft (25 m) and a deck 30 ft wide.

Who owns County Highway over Edmore Coulee?

It is owned by the County Highway Agency.