US Bridges

Dial House Road over Trib. N.Fork Grand River

Good

Bowman County, North Dakota · 13 South 4 West Bowman · Structure no. 000000006128200

Built
2007
18 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
60
2017 count
Owner
County
County Highway Agency

About this bridge

Dial House Road over Trib. N.Fork Grand River is a concrete culvert carrying Dial House Road over Trib. N.Fork Grand River in Bowman County, North Dakota. It was built in 2007, so it is 18 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 60 vehicles a day, projected to reach 70 by 2037. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesDial House Road
CrossesTrib. N.Fork Grand River
Location13 South 4 West Bowman
RouteCounty Highway 0
CountyBowman County
StateNorth Dakota
Coordinates45.98867, -103.48304
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating73.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2017)
Projected traffic70 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Dial House Road over Trib. N.Fork Grand River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Dial House Road over Trib. N.Fork Grand 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 November 2021.

How much traffic does Dial House Road over Trib. N.Fork Grand River carry?

About 60 vehicles per day (2017 count).

How long is Dial House Road over Trib. N.Fork Grand River?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Dial House Road over Trib. N.Fork Grand River?

It is owned by the County Highway Agency.