US Bridges

Rothiemay RD over Careless Creek

Good

Golden Valley County, Montana · 5M N Ryegate · Structure no. S00238062+06381

Built
1967
58 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
2 main spans
Daily traffic
55
2023 count
Owner
State
State Highway Agency

About this bridge

Rothiemay RD over Careless Creek is a prestressed concrete stringer/multi-beam or girder carrying Rothiemay RD over Careless Creek in Golden Valley County, Montana. It was built in 1967, so it is 58 years old, older 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 55 vehicles a day, roughly 6% of them trucks, projected to reach 58 by 2043. The structure is 102 ft (31.1 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRothiemay RD
CrossesCareless Creek
Location5M N Ryegate
RouteCounty Highway 238
StateMontana
Coordinates46.36307, -109.26812
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length102 ft (31.1 m)
Longest span51 ft (15.5 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2023)
Projected traffic58 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Rothiemay RD over Careless Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Rothiemay RD over Careless Creek 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 September 2023.

How much traffic does Rothiemay RD over Careless Creek carry?

About 55 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Rothiemay RD over Careless Creek?

The structure is 102 ft (31.1 m) long with a longest span of 51 ft (15.5 m) and a deck 28 ft wide.

Who owns Rothiemay RD over Careless Creek?

It is owned by the State Highway Agency.