US Bridges

152nd Avenue over Tributary Grand River

Good

Bowman County, North Dakota · 6 West 12 South Bowman · Structure no. 000000006125191

Built
2009
16 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
70
2017 count
Owner
County
County Highway Agency

About this bridge

152nd Avenue over Tributary Grand River is a concrete culvert carrying 152nd Avenue over Tributary Grand River in Bowman County, North Dakota. It was built in 2009, so it is 16 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 70 vehicles a day, projected to reach 50 by 2037. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Carries152nd Avenue
CrossesTributary Grand River
Location6 West 12 South Bowman
RouteCounty Highway 623
Coordinates46.00786, -103.53567
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
Channel and channel protection8 Very GoodNo 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 alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2017)
Projected traffic50 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 152nd Avenue over Tributary Grand River built?

It was built in 2009, making it 16 years old in 2025.

What condition is 152nd Avenue over Tributary 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 152nd Avenue over Tributary Grand River carry?

About 70 vehicles per day (2017 count).

How long is 152nd Avenue over Tributary Grand River?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 152nd Avenue over Tributary Grand River?

It is owned by the County Highway Agency.