US Bridges

County Highway over Sheyenne River

FairPosted for load

Ransom County, North Dakota · 8 North of Fort Ransom · Structure no. 000000037105010

Built
1930
95 years old
Condition
Fair
inspected August 2024
Type
Truss - Thru
Steel
Length
166 ft
1 main span
Daily traffic
24
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Sheyenne River is a steel truss - thru carrying County Highway over Sheyenne River in Ransom County, North Dakota. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 24 vehicles a day, projected to reach 24 by 2038. The structure is 166 ft (50.6 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty Highway
CrossesSheyenne River
Location8 North of Fort Ransom
RouteCounty Highway 0
Coordinates46.62917, -97.94007
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16 US tons
Inventory rating9.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadUnknown
Structure length166 ft (50.6 m)
Longest span81 ft (24.7 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2018)
Projected traffic24 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$405,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Sheyenne River built?

It was built in 1930, making it 95 years old in 2025.

What condition is County Highway over Sheyenne River 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 August 2024.

How much traffic does County Highway over Sheyenne River carry?

About 24 vehicles per day (2018 count).

How long is County Highway over Sheyenne River?

The structure is 166 ft (50.6 m) long with a longest span of 81 ft (24.7 m) and a deck 21 ft wide.

Who owns County Highway over Sheyenne River?

It is owned by the County Highway Agency.