US Bridges

Duval Drive over Churn Creek

Fair

Shasta County, California · 0.1 MI W Lake Blvd · Structure no. 06C0272

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
100
1998 count
Owner
County
County Highway Agency

About this bridge

Duval Drive over Churn Creek is a concrete continuous culvert carrying Duval Drive over Churn Creek in Shasta County, California. It was built in 1960, so it is 65 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 100 vehicles a day, roughly 8% of them trucks, projected to reach 160 by 2042. The structure is 21 ft (6.3 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesDuval Drive
CrossesChurn Creek
Location0.1 MI W Lake Blvd
RouteCity Street 0
Coordinates40.69231, -122.40376
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1998)
Projected traffic160 by 2042
Trucks8%
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 Duval Drive over Churn Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Duval Drive over Churn 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 July 2023.

How much traffic does Duval Drive over Churn Creek carry?

About 100 vehicles per day (1998 count), of which roughly 8% are trucks.

How long is Duval Drive over Churn Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 25 ft wide.

Who owns Duval Drive over Churn Creek?

It is owned by the County Highway Agency.