US Bridges

S Frontage RD 011 over Racetrack Creek 067

Fair

Powell County, Montana · 7M S Deer Lodge · Structure no. L39242006+06001

Built
1930
95 years old, rebuilt 1941
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
35 ft
1 main span
Daily traffic
916
2023 count
Owner
State
State Highway Agency

About this bridge

S Frontage RD 011 over Racetrack Creek 067 is a concrete tee beam carrying S Frontage RD 011 over Racetrack Creek 067 in Powell County, Montana. It was built in 1930 and reconstructed in 1941, so it is 95 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 5 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 916 vehicles a day, roughly 2% of them trucks, projected to reach 980 by 2043. The structure is 35 ft (10.7 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesS Frontage RD 011
CrossesRacetrack Creek 067
Location7M S Deer Lodge
RouteState Highway 81011
CountyPowell County
StateMontana
Coordinates46.28395, -112.74859
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating24 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic916 (2023)
Projected traffic980 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 S Frontage RD 011 over Racetrack Creek 067 built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1941.

What condition is S Frontage RD 011 over Racetrack Creek 067 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 March 2024.

How much traffic does S Frontage RD 011 over Racetrack Creek 067 carry?

About 916 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S Frontage RD 011 over Racetrack Creek 067?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 35 ft wide.

Who owns S Frontage RD 011 over Racetrack Creek 067?

It is owned by the State Highway Agency.