US Bridges

Flores Avenue over Corning Canal

Fair

Tehama County, California · East of Rawson Road · Structure no. 08C0281

Built
1954
71 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
53 ft
2 main spans
Daily traffic
1,029
2021 count
Owner
County
County Highway Agency

About this bridge

Flores Avenue over Corning Canal is a concrete slab carrying Flores Avenue over Corning Canal in Tehama County, California. It was built in 1954, so it is 71 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 5 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 1,029 vehicles a day, roughly 5% of them trucks, projected to reach 1,300 by 2043. The structure is 53 ft (16.2 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFlores Avenue
CrossesCorning Canal
LocationEast of Rawson Road
RouteCounty Highway 0
Coordinates40.08424, -122.23287
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,029 (2021)
Projected traffic1,300 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Flores Avenue over Corning Canal built?

It was built in 1954, making it 71 years old in 2025.

What condition is Flores Avenue over Corning Canal 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 December 2023.

How much traffic does Flores Avenue over Corning Canal carry?

About 1,029 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Flores Avenue over Corning Canal?

The structure is 53 ft (16.2 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns Flores Avenue over Corning Canal?

It is owned by the County Highway Agency.