US Bridges

County Road over Turtle River

Good

Grand Forks County, North Dakota · 1 East 3 North of Manvel · Structure no. 000000018134060

Built
1980
45 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
3 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

County Road over Turtle River is a steel stringer/multi-beam or girder carrying County Road 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2039. The structure is 176 ft (53.6 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 Road
CrossesTurtle River
Location1 East 3 North of Manvel
RouteCounty Highway 0
CountyGrand Forks County
StateNorth Dakota
Coordinates48.11844, -97.16993
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.7 US tons
Inventory rating25.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length176 ft (53.6 m)
Longest span59 ft (17.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic100 by 2039
Trucks10%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$198,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Turtle River built?

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

What condition is County Road over Turtle 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 September 2023.

How much traffic does County Road over Turtle River carry?

About 100 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is County Road over Turtle River?

The structure is 176 ft (53.6 m) long with a longest span of 59 ft (17.9 m) and a deck 30 ft wide.

Who owns County Road over Turtle River?

It is owned by the County Highway Agency.