US Bridges

147th Avenue over North Fork Grand River

Good

Bowman County, North Dakota · 14 South 1 West Bowman · Structure no. 000000006130220

Built
1996
29 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
5
2017 count
Owner
County
County Highway Agency

About this bridge

147th Avenue over North Fork Grand River is a concrete culvert carrying 147th Avenue over North Fork Grand River in Bowman County, North Dakota. It was built in 1996, so it is 29 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 5 vehicles a day, projected to reach 5 by 2037. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries147th Avenue
CrossesNorth Fork Grand River
Location14 South 1 West Bowman
RouteCounty Highway 0
Coordinates45.97057, -103.43181
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating76.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2017)
Projected traffic5 by 2037
Trucks—
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 147th Avenue over North Fork Grand River built?

It was built in 1996, making it 29 years old in 2025.

What condition is 147th Avenue over North 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 147th Avenue over North Fork Grand River carry?

About 5 vehicles per day (2017 count).

How long is 147th Avenue over North Fork Grand River?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m).

Who owns 147th Avenue over North Fork Grand River?

It is owned by the County Highway Agency.