US Bridges

Goulding Creek RD over Musselshell River

Fair

Musselshell County, Montana · 7M SW Roundup · Structure no. S00381000+04001

Built
1949
76 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
150 ft
3 main spans
Daily traffic
247
2023 count
Owner
State
State Highway Agency

About this bridge

Goulding Creek RD over Musselshell River is a steel continuous stringer/multi-beam or girder carrying Goulding Creek RD over Musselshell River in Musselshell County, Montana. It was built in 1949, so it is 76 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 247 vehicles a day, roughly 2% of them trucks, projected to reach 259 by 2043. The structure is 150 ft (45.7 m) long and 22 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesGoulding Creek RD
CrossesMusselshell River
Location7M SW Roundup
RouteState Highway 381
StateMontana
Coordinates46.3774, -108.62316
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length150 ft (45.7 m)
Longest span58 ft (17.7 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic247 (2023)
Projected traffic259 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 Goulding Creek RD over Musselshell River built?

It was built in 1949, making it 76 years old in 2025.

What condition is Goulding Creek RD over Musselshell River 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 2024.

How much traffic does Goulding Creek RD over Musselshell River carry?

About 247 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Goulding Creek RD over Musselshell River?

The structure is 150 ft (45.7 m) long with a longest span of 58 ft (17.7 m) and a deck 22 ft wide.

Who owns Goulding Creek RD over Musselshell River?

It is owned by the State Highway Agency.