US Bridges

County Highway 17 over Sheyenne Diversion

Good

Cass County, North Dakota · 1 South West Fargo · Structure no. 0000WF22

Built
1991
34 years old, rebuilt 2018
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
277 ft
3 main spans
Daily traffic
3,200
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

County Highway 17 over Sheyenne Diversion is a prestressed concrete continuous box beam or girders - single or spread carrying County Highway 17 over Sheyenne Diversion in Cass County, North Dakota. It was built in 1991 and reconstructed in 2018, 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 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 3,200 vehicles a day, roughly 5% of them trucks, projected to reach 2,350 by 2039. The structure is 277 ft (84.4 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway 17
CrossesSheyenne Diversion
Location1 South West Fargo
RouteCounty Highway 949
Coordinates46.8439, -96.9076
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 protection7 GoodSome minor problems.
Last inspectionJune 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating43.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length277 ft (84.4 m)
Longest span91 ft (27.7 m)
Deck width52 ft (15.8 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2019)
Projected traffic2,350 by 2039
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 17 over Sheyenne Diversion built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2018.

What condition is County Highway 17 over Sheyenne Diversion 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 June 2023.

How much traffic does County Highway 17 over Sheyenne Diversion carry?

About 3,200 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is County Highway 17 over Sheyenne Diversion?

The structure is 277 ft (84.4 m) long with a longest span of 91 ft (27.7 m) and a deck 52 ft wide.

Who owns County Highway 17 over Sheyenne Diversion?

It is owned by the City or Municipal Highway Agency.