US Bridges

County Highway over Turtle River

Fair

Grand Forks County, North Dakota · 2 South of Manvel · Structure no. 000000018133111

Built
1950
75 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
64 ft
2 main spans
Daily traffic
215
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Turtle River is a concrete continuous tee beam carrying County Highway over Turtle River in Grand Forks County, North Dakota. It was built in 1950, so it is 75 years old, older 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 5 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 215 vehicles a day, roughly 12% of them trucks, projected to reach 101 by 2039. The structure is 64 ft (19.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesTurtle River
Location2 South of Manvel
RouteCounty Highway 1833
CountyGrand Forks County
StateNorth Dakota
Coordinates48.04632, -97.1916
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating34.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215 (2019)
Projected traffic101 by 2039
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$159,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Turtle River built?

It was built in 1950, making it 75 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 215 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is County Highway over Turtle River?

The structure is 64 ft (19.5 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns County Highway over Turtle River?

It is owned by the County Highway Agency.