US Bridges

Canyon Creek Road over Scott River

FairPosted for load

Siskiyou County, California · Scott Bar · Structure no. 050555000001009

Built
1958
67 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
231 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Canyon Creek Road over Scott River is a concrete stringer/multi-beam or girder carrying Canyon Creek Road over Scott River in Siskiyou County, California. It was built in 1958, so it is 67 years old, older than the California average of 54.8 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 231 ft (70.4 m) long and 16 ft wide.

Location

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CarriesCanyon Creek Road
CrossesScott River
LocationScott Bar
RouteFederal Lands Road 44N45
CountySiskiyou County
StateCalifornia
Coordinates41.63565, -123.07556
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16.1 US tons
Inventory rating12.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length231 ft (70.4 m)
Longest span94 ft (28.7 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Creek Road over Scott River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Canyon Creek Road over Scott River 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 October 2023.

How much traffic does Canyon Creek Road over Scott River carry?

About 50 vehicles per day (latest count).

How long is Canyon Creek Road over Scott River?

The structure is 231 ft (70.4 m) long with a longest span of 94 ft (28.7 m) and a deck 16 ft wide.

Who owns Canyon Creek Road over Scott River?

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