US Bridges

Shane Ridge RD over Red Lodge Creek 044

Good

Carbon County, Montana · 2M SW Boyd · Structure no. L05023000+01001

Built
2013
12 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Shane Ridge RD over Red Lodge Creek 044 is a prestressed concrete stringer/multi-beam or girder carrying Shane Ridge RD over Red Lodge Creek 044 in Carbon County, Montana. It was built in 2013, so it is 12 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 86 ft (26.2 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesShane Ridge RD
CrossesRed Lodge Creek 044
Location2M SW Boyd
RouteCounty Highway 5029
StateMontana
Coordinates45.4491, -109.1021
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span79 ft (24.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 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 closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$66,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Shane Ridge RD over Red Lodge Creek 044 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Shane Ridge RD over Red Lodge Creek 044 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 January 2025.

How much traffic does Shane Ridge RD over Red Lodge Creek 044 carry?

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

How long is Shane Ridge RD over Red Lodge Creek 044?

The structure is 86 ft (26.2 m) long with a longest span of 79 ft (24.2 m) and a deck 26 ft wide.

Who owns Shane Ridge RD over Red Lodge Creek 044?

It is owned by the County Highway Agency.