US Bridges

Canyon Creek RD over Brackett Creek 006

FairPosted for load

Park County, Montana · 2M SW Clyde Park · Structure no. L34016008+07001

Built
1975
50 years old, rebuilt 2008
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Canyon Creek RD over Brackett Creek 006 is a steel stringer/multi-beam or girder carrying Canyon Creek RD over Brackett Creek 006 in Park County, Montana. It was built in 1975 and reconstructed in 2008, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 24 ft (7.3 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCanyon Creek RD
CrossesBrackett Creek 006
Location2M SW Clyde Park
RouteCounty Highway 34016
CountyPark County
StateMontana
Coordinates45.86489, -110.64632
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12 US tons
Inventory rating9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span22 ft (6.8 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 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 closed6.8 mi (11 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$44,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Canyon Creek RD over Brackett Creek 006 built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2008.

What condition is Canyon Creek RD over Brackett Creek 006 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 September 2023.

How much traffic does Canyon Creek RD over Brackett Creek 006 carry?

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

How long is Canyon Creek RD over Brackett Creek 006?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.8 m) and a deck 18 ft wide.

Who owns Canyon Creek RD over Brackett Creek 006?

It is owned by the County Highway Agency.