US Bridges

County Highway over Turtle River

FairPosted for load

Grand Forks County, North Dakota · 5 South of Honeyford · Structure no. 000000018120170

Built
1966
59 years old, rebuilt 2005
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
390
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Turtle River is a steel stringer/multi-beam or girder carrying County Highway over Turtle River in Grand Forks County, North Dakota. It was built in 1966 and reconstructed in 2005, so it is 59 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. Its operating status is: posted for load restriction.

It carries about 390 vehicles a day, roughly 18% of them trucks, projected to reach 390 by 2039. The structure is 31 ft (9.4 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesCounty Highway
CrossesTurtle River
Location5 South of Honeyford
RouteCounty Highway 1802
CountyGrand Forks County
StateNorth Dakota
Coordinates47.95564, -97.4725
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.9 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width41 ft (12.6 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2019)
Projected traffic390 by 2039
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 1966, making it 59 years old in 2025. It was reconstructed in 2005.

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 July 2023.

How much traffic does County Highway over Turtle River carry?

About 390 vehicles per day (2019 count), of which roughly 18% are trucks.

How long is County Highway over Turtle River?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 41 ft wide.

Who owns County Highway over Turtle River?

It is owned by the County Highway Agency.