US Bridges

Two DOT HWY over Musselshell River 017

Fair

Wheatland County, Montana · N Edge Two DOT · Structure no. L54001000+02001

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Two DOT HWY over Musselshell River 017 is a prestressed concrete stringer/multi-beam or girder carrying Two DOT HWY over Musselshell River 017 in Wheatland County, Montana. It was built in 1965, so it is 60 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 112 ft (34.1 m) long and 31 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesTwo DOT HWY
CrossesMusselshell River 017
LocationN Edge Two DOT
RouteCounty Highway 54001
StateMontana
Coordinates46.43014, -110.07213
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length112 ft (34.1 m)
Longest span56 ft (17.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Two DOT HWY over Musselshell River 017 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Two DOT HWY over Musselshell River 017 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 Two DOT HWY over Musselshell River 017 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Two DOT HWY over Musselshell River 017?

The structure is 112 ft (34.1 m) long with a longest span of 56 ft (17.1 m) and a deck 31 ft wide.

Who owns Two DOT HWY over Musselshell River 017?

It is owned by the County Highway Agency.