US Bridges

Countryman CR RD over Countryman Creek 050

Good

Stillwater County, Montana · 6M SW Columbus · Structure no. L48117006+01001

Built
1996
29 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Countryman CR RD over Countryman Creek 050 is a prestressed concrete tee beam carrying Countryman CR RD over Countryman Creek 050 in Stillwater 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 48 ft (14.5 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCountryman CR RD
CrossesCountryman Creek 050
Location6M SW Columbus
RouteCounty Highway 48205
StateMontana
Coordinates45.6443, -109.38558
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length48 ft (14.5 m)
Longest span45 ft (13.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 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 closed123.7 mi (199 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 Countryman CR RD over Countryman Creek 050 built?

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

What condition is Countryman CR RD over Countryman Creek 050 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 April 2024.

How much traffic does Countryman CR RD over Countryman Creek 050 carry?

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

How long is Countryman CR RD over Countryman Creek 050?

The structure is 48 ft (14.5 m) long with a longest span of 45 ft (13.6 m) and a deck 24 ft wide.

Who owns Countryman CR RD over Countryman Creek 050?

It is owned by the County Highway Agency.