US Bridges

US 2 over Cottonwood Creek

Fair

Liberty County, Montana · Chester · Structure no. P00001322+03991

Built
1953
72 years old, rebuilt 1976
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
58 ft
3 main spans
Daily traffic
2,325
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Cottonwood Creek is a wood or timber stringer/multi-beam or girder carrying US 2 over Cottonwood Creek in Liberty County, Montana. It was built in 1953 and reconstructed in 1976, so it is 72 years old, older 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 2,325 vehicles a day, roughly 5% of them trucks, projected to reach 2,441 by 2043. The structure is 58 ft (17.7 m) long and 52 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 2
CrossesCottonwood Creek
LocationChester
RouteU.S. Route 2
StateMontana
Coordinates48.51401, -110.95862
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating32 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 15
Structure length58 ft (17.7 m)
Longest span19 ft (5.8 m)
Deck width52 ft (15.8 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,325 (2023)
Projected traffic2,441 by 2043
Trucks5%
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 Cottonwood Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1976.

What condition is US 2 over Cottonwood 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 September 2023.

How much traffic does US 2 over Cottonwood Creek carry?

About 2,325 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 2 over Cottonwood Creek?

The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 52 ft wide.

Who owns US 2 over Cottonwood Creek?

It is owned by the State Highway Agency.