US Bridges

County Highway over Sheyenne Diversion

Fair

Cass County, North Dakota · 1 West of Horace · Structure no. 000000009138331

Built
1991
34 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
57 ft
4 main spans
Daily traffic
190
2017 count
Owner
County
County Highway Agency

About this bridge

County Highway over Sheyenne Diversion is a concrete culvert carrying County Highway over Sheyenne Diversion in Cass County, North Dakota. It was built in 1991, so it is 34 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 fair condition with a lowest component rating of 6 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 190 vehicles a day, roughly 15% of them trucks, projected to reach 150 by 2037. The structure is 57 ft (17.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Highway
CrossesSheyenne Diversion
Location1 West of Horace
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates46.76097, -96.92576
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 25 or greater
Structure length57 ft (17.4 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 traffic190 (2017)
Projected traffic150 by 2037
Trucks15%
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 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 Sheyenne Diversion built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Highway over Sheyenne Diversion 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 June 2023.

How much traffic does County Highway over Sheyenne Diversion carry?

About 190 vehicles per day (2017 count), of which roughly 15% are trucks.

How long is County Highway over Sheyenne Diversion?

The structure is 57 ft (17.4 m) long with a longest span of 13 ft (4 m).

Who owns County Highway over Sheyenne Diversion?

It is owned by the County Highway Agency.