US Bridges

Deep Creek RD over Deep Creek 065

Good

Teton County, Montana · 27M SW Choteau · Structure no. L50052008+00001

Built
1976
49 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
84 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Deep Creek RD over Deep Creek 065 is a prestressed concrete tee beam carrying Deep Creek RD over Deep Creek 065 in Teton County, Montana. It was built in 1976, so it is 49 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 84 ft (25.6 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesDeep Creek RD
CrossesDeep Creek 065
Location27M SW Choteau
RouteCounty Highway 50212
StateMontana
Coordinates47.71498, -112.58938
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span40 ft (12.2 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 Deep Creek RD over Deep Creek 065 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Deep Creek RD over Deep Creek 065 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 December 2024.

How much traffic does Deep Creek RD over Deep Creek 065 carry?

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

How long is Deep Creek RD over Deep Creek 065?

The structure is 84 ft (25.6 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Deep Creek RD over Deep Creek 065?

It is owned by the County Highway Agency.