US Bridges

County Highway over Turtle River

Fair

Grand Forks County, North Dakota · 7 East of Mekinock · Structure no. 000000018131130

Built
1980
45 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
76 ft
2 main spans
Daily traffic
60
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Turtle River is a prestressed concrete tee beam carrying County Highway over Turtle River in Grand Forks County, North Dakota. It was built in 1980, so it is 45 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 60 vehicles a day, projected to reach 60 by 2039. The structure is 76 ft (23.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesTurtle River
Location7 East of Mekinock
RouteCounty Highway 0
CountyGrand Forks County
StateNorth Dakota
Coordinates48.01408, -97.2383
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.8 US tons
Inventory rating39.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length76 ft (23.2 m)
Longest span36 ft (11 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2019)
Projected traffic60 by 2039
Trucks—
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 Turtle River built?

It was built in 1980, making it 45 years old in 2025.

What condition is County Highway over Turtle River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does County Highway over Turtle River carry?

About 60 vehicles per day (2019 count).

How long is County Highway over Turtle River?

The structure is 76 ft (23.2 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.

Who owns County Highway over Turtle River?

It is owned by the County Highway Agency.