US Bridges

Corning Road over Thomes Creek

Good

Tehama County, California · At Paskenta RD · Structure no. 08C0029

Built
1968
57 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Concrete Continuous
Length
422 ft
6 main spans
Daily traffic
1,640
2007 count
Owner
County
County Highway Agency

About this bridge

Corning Road over Thomes Creek is a concrete continuous tee beam carrying Corning Road over Thomes Creek in Tehama County, California. It was built in 1968, so it is 57 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,640 vehicles a day, roughly 8% of them trucks, projected to reach 2,145 by 2041. The structure is 422 ft (128.6 m) long and 39 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesCorning Road
CrossesThomes Creek
LocationAt Paskenta RD
RouteCounty Highway 0
Coordinates39.91951, -122.43708
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length422 ft (128.6 m)
Longest span70 ft (21.3 m)
Deck width39 ft (11.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,640 (2007)
Projected traffic2,145 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.3 mi (31 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 Corning Road over Thomes Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Corning Road over Thomes Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Corning Road over Thomes Creek carry?

About 1,640 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is Corning Road over Thomes Creek?

The structure is 422 ft (128.6 m) long with a longest span of 70 ft (21.3 m) and a deck 39 ft wide.

Who owns Corning Road over Thomes Creek?

It is owned by the County Highway Agency.