US Bridges

Caribou Road over E Fk of S Fk Salmon Riv

Good

Siskiyou County, California · 0.2 MI S Cecilville RD · Structure no. 02C0265

Built
1965
60 years old
Condition
Good
inspected August 2021
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
210 ft
3 main spans
Daily traffic
100
2011 count
Owner
County
County Highway Agency

About this bridge

Caribou Road over E Fk of S Fk Salmon Riv is a concrete continuous box beam or girders - multiple carrying Caribou Road over E Fk of S Fk Salmon Riv in Siskiyou County, California. It was built in 1965, so it is 60 years old, older than the California average of 54.8 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2041. The structure is 210 ft (64 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCaribou Road
CrossesE Fk of S Fk Salmon Riv
Location0.2 MI S Cecilville RD
RouteCounty Highway 0
Coordinates41.15302, -123.11028
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating42.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length210 ft (64 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2011)
Projected traffic112 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Caribou Road over E Fk of S Fk Salmon Riv built?

It was built in 1965, making it 60 years old in 2025.

What condition is Caribou Road over E Fk of S Fk Salmon Riv 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 August 2021.

How much traffic does Caribou Road over E Fk of S Fk Salmon Riv carry?

About 100 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Caribou Road over E Fk of S Fk Salmon Riv?

The structure is 210 ft (64 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns Caribou Road over E Fk of S Fk Salmon Riv?

It is owned by the County Highway Agency.