US Bridges

Scott River Road over Scott River

Good

Siskiyou County, California · 0.3 MI S Kelsey Creek RD · Structure no. 02C0050

Built
1958
67 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
250 ft
1 main span
Daily traffic
135
2011 count
Owner
County
County Highway Agency

About this bridge

Scott River Road over Scott River is a steel stringer/multi-beam or girder carrying Scott River 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 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 135 vehicles a day, roughly 10% of them trucks, projected to reach 186 by 2041. The structure is 250 ft (76.2 m) long and 29 ft wide. If it were closed, the detour would be 90.7 mi (146 km).

CarriesScott River Road
CrossesScott River
Location0.3 MI S Kelsey Creek RD
RouteCounty Highway 0
Coordinates41.64806, -123.11373
Functional classRural Major Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 20
Structure length250 ft (76.2 m)
Longest span130 ft (39.6 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2011)
Projected traffic186 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed90.7 mi (146 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 1958, making it 67 years old in 2025.

What condition is Scott River Road over Scott River 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 July 2023.

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

About 135 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Scott River Road over Scott River?

The structure is 250 ft (76.2 m) long with a longest span of 130 ft (39.6 m) and a deck 29 ft wide.

Who owns Scott River Road over Scott River?

It is owned by the County Highway Agency.