US Bridges

NFSR 274 over Musselshell River

Good

Meagher County, Montana · Spring Creek 1 · Structure no. 011506000000052

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
40
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 274 over Musselshell River is a prestressed concrete stringer/multi-beam or girder carrying NFSR 274 over Musselshell River in Meagher County, Montana. It was built in 1996, so it is 29 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, projected to reach 60 by 2045. The structure is 86 ft (26.1 m) long and 17 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesNFSR 274
CrossesMusselshell River
LocationSpring Creek 1
RouteFederal Lands Road 274
StateMontana
Coordinates46.54177, -110.44293
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length86 ft (26.1 m)
Longest span84 ft (25.6 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (—)
Projected traffic60 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NFSR 274 over Musselshell River built?

It was built in 1996, making it 29 years old in 2025.

What condition is NFSR 274 over Musselshell River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does NFSR 274 over Musselshell River carry?

About 40 vehicles per day (latest count).

How long is NFSR 274 over Musselshell River?

The structure is 86 ft (26.1 m) long with a longest span of 84 ft (25.6 m) and a deck 17 ft wide.

Who owns NFSR 274 over Musselshell River?

It is owned by the U.S. Forest Service.