US Bridges

County Highway 5 over Dec Lacs River

Good

Ward County, North Dakota · City of Donnybrook · Structure no. 000000051117203

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
96 ft
2 main spans
Daily traffic
51
2022 count
Owner
County
County Highway Agency

About this bridge

County Highway 5 over Dec Lacs River is a prestressed concrete box beam or girders - single or spread carrying County Highway 5 over Dec Lacs River in Ward County, North Dakota. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 51 vehicles a day, roughly 10% of them trucks, projected to reach 69 by 2043. The structure is 96 ft (29.3 m) long and 38 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

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CarriesCounty Highway 5
CrossesDec Lacs River
LocationCity of Donnybrook
RouteCounty Highway 5115
CountyWard County
StateNorth Dakota
Coordinates48.51262, -101.88208
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length96 ft (29.3 m)
Longest span46 ft (14 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic51 (2022)
Projected traffic69 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 5 over Dec Lacs River built?

It was built in 2024, making it 1 years old in 2025.

What condition is County Highway 5 over Dec Lacs 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 October 2024.

How much traffic does County Highway 5 over Dec Lacs River carry?

About 51 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is County Highway 5 over Dec Lacs River?

The structure is 96 ft (29.3 m) long with a longest span of 46 ft (14 m) and a deck 38 ft wide.

Who owns County Highway 5 over Dec Lacs River?

It is owned by the County Highway Agency.