US Bridges

Sunny Hill Road over Ducket Creek

Fair

Shasta County, California · 0.2 MI N Rainbow Lake RD · Structure no. 06C0254

Built
1935
90 years old, rebuilt 1975
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
50
2013 count
Owner
County
County Highway Agency

About this bridge

Sunny Hill Road over Ducket Creek is a concrete continuous slab carrying Sunny Hill Road over Ducket Creek in Shasta County, California. It was built in 1935 and reconstructed in 1975, so it is 90 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 205 by 2044. The structure is 39 ft (11.9 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSunny Hill Road
CrossesDucket Creek
Location0.2 MI N Rainbow Lake RD
RouteCounty Highway 0
Coordinates40.48213, -122.67426
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating56.1 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span19 ft (5.7 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2013)
Projected traffic205 by 2044
Trucks10%
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 Sunny Hill Road over Ducket Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1975.

What condition is Sunny Hill Road over Ducket Creek 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 September 2024.

How much traffic does Sunny Hill Road over Ducket Creek carry?

About 50 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Sunny Hill Road over Ducket Creek?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.7 m) and a deck 20 ft wide.

Who owns Sunny Hill Road over Ducket Creek?

It is owned by the County Highway Agency.