US Bridges

US Highway 2 over Little Muddy River

Fair

Williams County, North Dakota · 1 East of US 85 North · Structure no. 0002033331 L

Built
1955
70 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
115 ft
2 main spans
Daily traffic
1,900
2019 count
Owner
State
State Highway Agency

About this bridge

US Highway 2 over Little Muddy River is a steel stringer/multi-beam or girder carrying US Highway 2 over Little Muddy River in Williams County, North Dakota. It was built in 1955, so it is 70 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.

It carries about 1,900 vehicles a day, roughly 14% of them trucks, projected to reach 2,300 by 2039. The structure is 115 ft (35.1 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS Highway 2
CrossesLittle Muddy River
Location1 East of US 85 North
RouteU.S. Route 2
Coordinates48.34249, -103.60646
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span56 ft (17 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2019)
Projected traffic2,300 by 2039
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US Highway 2 over Little Muddy River built?

It was built in 1955, making it 70 years old in 2025.

What condition is US Highway 2 over Little Muddy 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 October 2024.

How much traffic does US Highway 2 over Little Muddy River carry?

About 1,900 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is US Highway 2 over Little Muddy River?

The structure is 115 ft (35.1 m) long with a longest span of 56 ft (17 m) and a deck 35 ft wide.

Who owns US Highway 2 over Little Muddy River?

It is owned by the State Highway Agency.