US Bridges

Cedar Creek Road over Cedar Creek

Fair

Flathead County, Montana · 4 MI N of Columbia Falls · Structure no. 011007000000145

Built
1992
33 years old, rebuilt 1996
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
22 ft
1 main span
Daily traffic
10
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Cedar Creek Road over Cedar Creek is a wood or timber stringer/multi-beam or girder carrying Cedar Creek Road over Cedar Creek in Flathead County, Montana. It was built in 1992 and reconstructed in 1996, so it is 33 years old, younger 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 6 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 22 ft (6.7 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesCedar Creek Road
CrossesCedar Creek
Location4 MI N of Columbia Falls
RouteFederal Lands Road 1690
StateMontana
Coordinates48.43354, -114.16597
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1992)
Projected traffic15 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cedar Creek Road over Cedar Creek built?

It was built in 1992, making it 33 years old in 2025. It was reconstructed in 1996.

What condition is Cedar Creek Road over Cedar Creek 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 July 2024.

How much traffic does Cedar Creek Road over Cedar Creek carry?

About 10 vehicles per day (1992 count).

How long is Cedar Creek Road over Cedar Creek?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.

Who owns Cedar Creek Road over Cedar Creek?

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