US Bridges

County Highway over Souris River

Good

Ward County, North Dakota · 3 West 3 North Logan · Structure no. 000000051147410

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
208 ft
3 main spans
Daily traffic
230
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Souris River is a prestressed concrete continuous box beam or girders - single or spread carrying County Highway over Souris River in Ward County, North Dakota. It was built in 1997, so it is 28 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 230 vehicles a day, roughly 11% of them trucks, projected to reach 275 by 2039. The structure is 208 ft (63.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesSouris River
Location3 West 3 North Logan
RouteCounty Highway 0
Coordinates48.19657, -101.21327
Functional classRural Local

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 inspectionMay 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating23.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length208 ft (63.4 m)
Longest span68 ft (20.7 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2019)
Projected traffic275 by 2039
Trucks11%
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 Souris River built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Highway over Souris River 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 May 2023.

How much traffic does County Highway over Souris River carry?

About 230 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is County Highway over Souris River?

The structure is 208 ft (63.4 m) long with a longest span of 68 ft (20.7 m) and a deck 36 ft wide.

Who owns County Highway over Souris River?

It is owned by the County Highway Agency.