US Bridges

County Road over Branch of Souris River

Fair

Ward County, North Dakota · 1 East Logan · Structure no. 000000051151440

Built
1979
46 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
92 ft
2 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

County Road over Branch of Souris River is a prestressed concrete tee beam carrying County Road over Branch of Souris River in Ward County, North Dakota. It was built in 1979, so it is 46 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 100 vehicles a day, roughly 12% of them trucks, projected to reach 180 by 2039. The structure is 92 ft (27.9 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesBranch of Souris River
Location1 East Logan
RouteCounty Highway 5146
CountyWard County
StateNorth Dakota
Coordinates48.15329, -101.14216
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.3 US tons
Inventory rating17.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadUnknown
Structure length92 ft (27.9 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic180 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Branch of Souris River built?

It was built in 1979, making it 46 years old in 2025.

What condition is County Road over Branch of 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 Branch of Souris River carry?

About 100 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is County Road over Branch of Souris River?

The structure is 92 ft (27.9 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns County Road over Branch of Souris River?

It is owned by the County Highway Agency.