US Bridges

County Highway 8 over Middle Branch Park River

Good

Walsh County, North Dakota · 6 West 3 North of Grafton · Structure no. 000000050136071

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
35 ft
1 main span
Daily traffic
95
2023 count
Owner
County
County Highway Agency

About this bridge

County Highway 8 over Middle Branch Park River is a aluminum, wrought iron, or cast iron culvert carrying County Highway 8 over Middle Branch Park River in Walsh County, North Dakota. It was built in 2023, so it is 2 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 95 vehicles a day, roughly 21% of them trucks, projected to reach 105 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty Highway 8
CrossesMiddle Branch Park River
Location6 West 3 North of Grafton
RouteCounty Highway 5035
Coordinates48.45492, -97.53559
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.7 US tons
Inventory rating46.4 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic95 (2023)
Projected traffic105 by 2043
Trucks21%
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 County Highway 8 over Middle Branch Park River built?

It was built in 2023, making it 2 years old in 2025.

What condition is County Highway 8 over Middle Branch Park 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 2023.

How much traffic does County Highway 8 over Middle Branch Park River carry?

About 95 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is County Highway 8 over Middle Branch Park River?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m).

Who owns County Highway 8 over Middle Branch Park River?

It is owned by the County Highway Agency.