US Bridges

Scott River Road over Scott River

Fair

Siskiyou County, California · 1.2 MI South of SR 96 · Structure no. 02C0148

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
393 ft
3 main spans
Daily traffic
186
2011 count
Owner
County
County Highway Agency

About this bridge

Scott River Road over Scott River is a steel continuous stringer/multi-beam or girder carrying Scott River Road over Scott River in Siskiyou County, California. It was built in 1967, so it is 58 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.

It carries about 186 vehicles a day, roughly 10% of them trucks, projected to reach 260 by 2041. The structure is 393 ft (119.8 m) long and 29 ft wide. If it were closed, the detour would be 85.1 mi (137 km).

CarriesScott River Road
CrossesScott River
Location1.2 MI South of SR 96
RouteCounty Highway 0
Coordinates41.76458, -123.02107
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length393 ft (119.8 m)
Longest span148 ft (45.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic186 (2011)
Projected traffic260 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed85.1 mi (137 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 Scott River Road over Scott River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Scott River 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 July 2023.

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

About 186 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Scott River Road over Scott River?

The structure is 393 ft (119.8 m) long with a longest span of 148 ft (45.1 m) and a deck 29 ft wide.

Who owns Scott River Road over Scott River?

It is owned by the County Highway Agency.