US Bridges

Cecilville Road over South Fork Scott River

Fair

Siskiyou County, California · 0.05 MI West of S R 3 · Structure no. 02C0156

Built
1954
71 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
136 ft
4 main spans
Daily traffic
120
2024 count
Owner
County
County Highway Agency

About this bridge

Cecilville Road over South Fork Scott River is a concrete continuous tee beam carrying Cecilville Road over South Fork Scott River in Siskiyou County, California. It was built in 1954, so it is 71 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 120 vehicles a day, roughly 20% of them trucks, projected to reach 150 by 2044. The structure is 136 ft (41.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCecilville Road
CrossesSouth Fork Scott River
Location0.05 MI West of S R 3
RouteCounty Highway 0
CountySiskiyou County
StateCalifornia
Coordinates41.3093, -122.80284
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length136 ft (41.4 m)
Longest span56 ft (17.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2024)
Projected traffic150 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Cecilville Road over South Fork Scott River built?

It was built in 1954, making it 71 years old in 2025.

What condition is Cecilville Road over South Fork 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 Cecilville Road over South Fork Scott River carry?

About 120 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Cecilville Road over South Fork Scott River?

The structure is 136 ft (41.4 m) long with a longest span of 56 ft (17.1 m) and a deck 27 ft wide.

Who owns Cecilville Road over South Fork Scott River?

It is owned by the County Highway Agency.