US Bridges

Main Street over Louse Creek

Fair

Morton County, North Dakota · Southside of Flasher · Structure no. 000000030142370

Built
1984
41 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

Main Street over Louse Creek is a prestressed concrete box beam or girders - single or spread carrying Main Street over Louse Creek in Morton County, North Dakota. It was built in 1984, so it is 41 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 fair condition with a lowest component rating of 6 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2039. The structure is 82 ft (25 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMain Street
CrossesLouse Creek
LocationSouthside of Flasher
RouteCounty Highway 3039
Coordinates46.44929, -101.23312
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating17.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length82 ft (25 m)
Longest span78 ft (23.8 m)
Deck width38 ft (11.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic100 by 2039
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Main Street over Louse Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Main Street over Louse Creek 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 May 2024.

How much traffic does Main Street over Louse Creek carry?

About 100 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Main Street over Louse Creek?

The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m) and a deck 38 ft wide.

Who owns Main Street over Louse Creek?

It is owned by the County Highway Agency.