US Bridges

69th Street over Louse Creek

Good

Morton County, North Dakota · 2 South 4 East of Flasher · Structure no. 000000030145390

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
70
2019 count
Owner
County
County Highway Agency

About this bridge

69th Street over Louse Creek is a concrete culvert carrying 69th Street over Louse Creek in Morton County, North Dakota. It was built in 2016, so it is 9 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 70 vehicles a day, projected to reach 70 by 2039. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Carries69th Street
CrossesLouse Creek
Location2 South 4 East of Flasher
RouteCounty Highway 0
Coordinates46.41485, -101.15614
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating41.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length26 ft (7.9 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 traffic70 (2019)
Projected traffic70 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$222,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 69th Street over Louse Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is 69th Street over Louse 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 April 2023.

How much traffic does 69th Street over Louse Creek carry?

About 70 vehicles per day (2019 count).

How long is 69th Street over Louse Creek?

The structure is 26 ft (7.9 m) long with a longest span of 14 ft (4.3 m).

Who owns 69th Street over Louse Creek?

It is owned by the County Highway Agency.