US Bridges

S 294 over Cottonwood Creek

Fair

Meagher County, Montana · 5M SW Martinsdale · Structure no. S00294022+05001

Built
1948
77 years old, rebuilt 1968
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
224
2023 count
Owner
State
State Highway Agency

About this bridge

S 294 over Cottonwood Creek is a steel stringer/multi-beam or girder carrying S 294 over Cottonwood Creek in Meagher County, Montana. It was built in 1948 and reconstructed in 1968, so it is 77 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 224 vehicles a day, roughly 17% of them trucks, projected to reach 249 by 2043. The structure is 79 ft (24.1 m) long and 34 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesS 294
CrossesCottonwood Creek
Location5M SW Martinsdale
RouteState Highway 294
StateMontana
Coordinates46.4336, -110.40701
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29 US tons
Inventory rating23 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length79 ft (24.1 m)
Longest span75 ft (22.9 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic224 (2023)
Projected traffic249 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

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 S 294 over Cottonwood Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1968.

What condition is S 294 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 June 2023.

How much traffic does S 294 over Cottonwood Creek carry?

About 224 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is S 294 over Cottonwood Creek?

The structure is 79 ft (24.1 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.

Who owns S 294 over Cottonwood Creek?

It is owned by the State Highway Agency.