US Bridges

County Road over Souris River

Fair

Ward County, North Dakota · East Edge Logan · Structure no. 000000051150441

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
111 ft
2 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

County Road over Souris River is a prestressed concrete box beam or girders - multiple carrying County Road over Souris River in Ward County, North Dakota. It was built in 1967, so it is 58 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 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2039. The structure is 111 ft (33.8 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road
CrossesSouris River
LocationEast Edge Logan
RouteCounty Highway 5146
Coordinates48.15322, -101.15024
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.7 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadUnknown
Structure length111 ft (33.8 m)
Longest span53 ft (16.2 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic150 by 2039
Trucks10%
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 Road over Souris River built?

It was built in 1967, making it 58 years old in 2025.

What condition is County Road over Souris 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 May 2023.

How much traffic does County Road over Souris River carry?

About 100 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is County Road over Souris River?

The structure is 111 ft (33.8 m) long with a longest span of 53 ft (16.2 m) and a deck 31 ft wide.

Who owns County Road over Souris River?

It is owned by the County Highway Agency.