US Bridges

Carlie Drive over Yank Creek

Fair

Shasta County, California · 0.1 MI S Old Alturas RD · Structure no. 06C0350

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
400
2013 count
Owner
County
County Highway Agency

About this bridge

Carlie Drive over Yank Creek is a concrete continuous culvert carrying Carlie Drive over Yank 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 524 by 2042. The structure is 31 ft (9.5 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCarlie Drive
CrossesYank Creek
Location0.1 MI S Old Alturas RD
RouteCounty Highway 0
CountyShasta County
StateCalifornia
Coordinates40.63603, -122.23335
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2013)
Projected traffic524 by 2042
Trucks1%
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 Carlie Drive over Yank Creek built?

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

What condition is Carlie Drive over Yank 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 2023.

How much traffic does Carlie Drive over Yank Creek carry?

About 400 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Carlie Drive over Yank Creek?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Carlie Drive over Yank Creek?

It is owned by the County Highway Agency.