US Bridges

Eddys Gulch Road over North Fork Salmon River

Fair

Siskiyou County, California · S Sawyers Bar RD · Structure no. 02C0090

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
220 ft
4 main spans
Daily traffic
167
2011 count
Owner
County
County Highway Agency

About this bridge

Eddys Gulch Road over North Fork Salmon River is a concrete continuous box beam or girders - multiple carrying Eddys Gulch Road over North Fork Salmon River in Siskiyou County, California. It was built in 1968, so it is 57 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 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 167 vehicles a day, roughly 2% of them trucks, projected to reach 268 by 2041. The structure is 220 ft (67.1 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesEddys Gulch Road
CrossesNorth Fork Salmon River
LocationS Sawyers Bar RD
RouteCounty Highway 0
Coordinates41.29764, -123.12534
Functional classRural Minor Collector

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span92 ft (28 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167 (2011)
Projected traffic268 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 Eddys Gulch Road over North Fork Salmon River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Eddys Gulch Road over North Fork Salmon 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 August 2023.

How much traffic does Eddys Gulch Road over North Fork Salmon River carry?

About 167 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Eddys Gulch Road over North Fork Salmon River?

The structure is 220 ft (67.1 m) long with a longest span of 92 ft (28 m) and a deck 25 ft wide.

Who owns Eddys Gulch Road over North Fork Salmon River?

It is owned by the County Highway Agency.