US Bridges

Canyon CR Road over Canyon Creek

Good

Flathead County, Montana · 2nd Bridge on Canyon CR · Structure no. 011007000000062

Built
1977
48 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
1 main span
Daily traffic
5
1990 count
Owner
Federal
U.S. Forest Service

About this bridge

Canyon CR Road over Canyon Creek is a wood or timber stringer/multi-beam or girder carrying Canyon CR Road over Canyon Creek in Flathead County, Montana. It was built in 1977, so it is 48 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 5 vehicles a day, projected to reach 7 by 2045. The structure is 41 ft (12.6 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesCanyon CR Road
CrossesCanyon Creek
Location2nd Bridge on Canyon CR
RouteFederal Lands Road 316
StateMontana
Coordinates48.49863, -114.21334
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length41 ft (12.6 m)
Longest span40 ft (12.3 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (1990)
Projected traffic7 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Canyon CR Road over Canyon Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Canyon CR Road over Canyon Creek 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 July 2024.

How much traffic does Canyon CR Road over Canyon Creek carry?

About 5 vehicles per day (1990 count).

How long is Canyon CR Road over Canyon Creek?

The structure is 41 ft (12.6 m) long with a longest span of 40 ft (12.3 m) and a deck 16 ft wide.

Who owns Canyon CR Road over Canyon Creek?

It is owned by the U.S. Forest Service.