US Bridges

Canyon Mill RD over Pablo Feeder Canal 008

Good

Lake County, Montana · 2M NW Ronan · Structure no. L24623002+03001

Built
2014
11 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Canyon Mill RD over Pablo Feeder Canal 008 is a steel stringer/multi-beam or girder carrying Canyon Mill RD over Pablo Feeder Canal 008 in Lake County, Montana. It was built in 2014, so it is 11 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 51 ft (15.4 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCanyon Mill RD
CrossesPablo Feeder Canal 008
Location2M NW Ronan
RouteCounty Highway 24432
StateMontana
Coordinates47.55884, -114.05531
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length51 ft (15.4 m)
Longest span46 ft (14 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.2 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 closed3.7 mi (6 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 Canyon Mill RD over Pablo Feeder Canal 008 built?

It was built in 2014, making it 11 years old in 2025.

What condition is Canyon Mill RD over Pablo Feeder Canal 008 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 January 2025.

How much traffic does Canyon Mill RD over Pablo Feeder Canal 008 carry?

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

How long is Canyon Mill RD over Pablo Feeder Canal 008?

The structure is 51 ft (15.4 m) long with a longest span of 46 ft (14 m) and a deck 21 ft wide.

Who owns Canyon Mill RD over Pablo Feeder Canal 008?

It is owned by the County Highway Agency.