US Bridges

County Highway over Edmore Coulee

Fair

Ramsey County, North Dakota · 7 East 2 South of Webster · Structure no. 000000036122211

Built
1940
85 years old, rebuilt 2018
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

County Highway over Edmore Coulee is a steel stringer/multi-beam or girder carrying County Highway over Edmore Coulee in Ramsey County, North Dakota. It was built in 1940 and reconstructed in 2018, so it is 85 years old, older than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, projected to reach 20 by 2040. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesEdmore Coulee
Location7 East 2 South of Webster
RouteCounty Highway 0
Coordinates48.25101, -98.72453
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.2 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic20 by 2040
Trucks—
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$191,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Edmore Coulee built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2018.

What condition is County Highway over Edmore Coulee in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does County Highway over Edmore Coulee carry?

About 20 vehicles per day (2020 count).

How long is County Highway over Edmore Coulee?

The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns County Highway over Edmore Coulee?

It is owned by the County Highway Agency.