US Bridges

County Highway over Creek

Good

Towner County, North Dakota · 4 North 3 East Rocklake · Structure no. 000000048117110

Built
2018
7 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
60 ft
4 main spans
Daily traffic
25
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Creek is a concrete culvert carrying County Highway over Creek in Towner County, North Dakota. It was built in 2018, so it is 7 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 25 vehicles a day, projected to reach 25 by 2039. The structure is 60 ft (18.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Highway
CrossesCreek
Location4 North 3 East Rocklake
RouteCounty Highway 0
Coordinates48.84858, -99.185
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.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length60 ft (18.2 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic25 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is County Highway over 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 September 2021.

How much traffic does County Highway over Creek carry?

About 25 vehicles per day (2019 count).

How long is County Highway over Creek?

The structure is 60 ft (18.2 m) long with a longest span of 14 ft (4.3 m).

Who owns County Highway over Creek?

It is owned by the County Highway Agency.