US Bridges

US-2 over Clover Creek

Fair

Roosevelt County, Montana · 1M E Culbertson · Structure no. 000000202005140

Built
2020
5 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
1,651
2023 count
Owner
State
State Highway Agency

About this bridge

US-2 over Clover Creek is a prestressed concrete stringer/multi-beam or girder carrying US-2 over Clover Creek in Roosevelt County, Montana. It was built in 2020, so it is 5 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 1,651 vehicles a day, roughly 16% of them trucks, projected to reach 1,734 by 2043. The structure is 101 ft (30.9 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS-2
CrossesClover Creek
Location1M E Culbertson
RouteU.S. Route 1
StateMontana
Coordinates48.14896, -104.4947
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length101 ft (30.9 m)
Longest span98 ft (29.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,651 (2023)
Projected traffic1,734 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-2 over Clover Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is US-2 over Clover 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 Clover Creek carry?

About 1,651 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US-2 over Clover Creek?

The structure is 101 ft (30.9 m) long with a longest span of 98 ft (29.9 m) and a deck 43 ft wide.

Who owns US-2 over Clover Creek?

It is owned by the State Highway Agency.