US Bridges

Pettyjohn RD over South Fork Guyre Creek

Fair

Tehama County, California · 4.2 MI W of Vestal RD · Structure no. 08C0350

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
40
2007 count
Owner
County
County Highway Agency

About this bridge

Pettyjohn RD over South Fork Guyre Creek is a concrete continuous culvert carrying Pettyjohn RD over South Fork Guyre Creek in Tehama County, California. It was built in 1965, so it is 60 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 40 vehicles a day, roughly 1% of them trucks, projected to reach 54 by 2041. The structure is 22 ft (6.7 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPettyjohn RD
CrossesSouth Fork Guyre Creek
Location4.2 MI W of Vestal RD
RouteCounty Highway 0
Coordinates40.18643, -122.59347
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2007)
Projected traffic54 by 2041
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pettyjohn RD over South Fork Guyre Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Pettyjohn RD over South Fork Guyre 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 March 2023.

How much traffic does Pettyjohn RD over South Fork Guyre Creek carry?

About 40 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is Pettyjohn RD over South Fork Guyre Creek?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m) and a deck 29 ft wide.

Who owns Pettyjohn RD over South Fork Guyre Creek?

It is owned by the County Highway Agency.