US Bridges

County Road 20 over Turtle Creek

Good

McLean County, North Dakota · 6 East 4 North Washburn · Structure no. 000000028166351

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
49
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 20 over Turtle Creek is a concrete culvert carrying County Road 20 over Turtle Creek in McLean County, North Dakota. It was built in 2023, so it is 2 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 49 vehicles a day, projected to reach 60 by 2041. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Road 20
CrossesTurtle Creek
Location6 East 4 North Washburn
RouteCounty Highway 0
CountyMcLean County
StateNorth Dakota
Coordinates47.34198, -100.89892
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95.7 US tons
Inventory rating73.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2021)
Projected traffic60 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Road 20 over Turtle Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is County Road 20 over Turtle Creek 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 December 2023.

How much traffic does County Road 20 over Turtle Creek carry?

About 49 vehicles per day (2021 count).

How long is County Road 20 over Turtle Creek?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.4 m).

Who owns County Road 20 over Turtle Creek?

It is owned by the County Highway Agency.