US Bridges

US 2 over Little Muddy Creek

Fair

Roosevelt County, Montana · 4M E Bainville · Structure no. P00001664+04111

Built
2010
15 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
181 ft
3 main spans
Daily traffic
1,516
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Little Muddy Creek is a prestressed concrete stringer/multi-beam or girder carrying US 2 over Little Muddy Creek in Roosevelt County, Montana. It was built in 2010, so it is 15 years old, younger than the Montana average of 47 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 1,516 vehicles a day, roughly 8% of them trucks, projected to reach 1,668 by 2043. The structure is 181 ft (55.3 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 2
CrossesLittle Muddy Creek
Location4M E Bainville
RouteU.S. Route 2
StateMontana
Coordinates48.14272, -104.10366
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length181 ft (55.3 m)
Longest span61 ft (18.5 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,516 (2023)
Projected traffic1,668 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 2 over Little Muddy Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is US 2 over Little Muddy 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 December 2024.

How much traffic does US 2 over Little Muddy Creek carry?

About 1,516 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 2 over Little Muddy Creek?

The structure is 181 ft (55.3 m) long with a longest span of 61 ft (18.5 m) and a deck 43 ft wide.

Who owns US 2 over Little Muddy Creek?

It is owned by the State Highway Agency.