US Bridges

County Highway over Legal Drain No. 4

Good

Grand Forks County, North Dakota · South Edge of Merrifield · Structure no. 000000018137252

Built
2009
16 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete
Length
52 ft
2 main spans
Daily traffic
160
2013 count
Owner
County
County Highway Agency

About this bridge

County Highway over Legal Drain No. 4 is a concrete culvert carrying County Highway over Legal Drain No. 4 in Grand Forks 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 160 vehicles a day, roughly 12% of them trucks, projected to reach 200 by 2033. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesLegal Drain No. 4
LocationSouth Edge of Merrifield
RouteCounty Highway 0
CountyGrand Forks County
StateNorth Dakota
Coordinates47.84569, -97.10943
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 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 rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length52 ft (15.8 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 traffic160 (2013)
Projected traffic200 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 over Legal Drain No. 4 built?

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

What condition is County Highway over Legal Drain No. 4 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 May 2021.

How much traffic does County Highway over Legal Drain No. 4 carry?

About 160 vehicles per day (2013 count), of which roughly 12% are trucks.

How long is County Highway over Legal Drain No. 4?

The structure is 52 ft (15.8 m) long with a longest span of 10 ft (3 m).

Who owns County Highway over Legal Drain No. 4?

It is owned by the County Highway Agency.