US Bridges

Gyle Road over Corning Canal

Fair

Tehama County, California · 0.6 MI W of I-5 · Structure no. 08C0144

Built
1956
69 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
48 ft
2 main spans
Daily traffic
1,312
2004 count
Owner
County
County Highway Agency

About this bridge

Gyle Road over Corning Canal is a concrete slab carrying Gyle Road over Corning Canal in Tehama County, California. It was built in 1956, so it is 69 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 1,312 vehicles a day, roughly 6% of them trucks, projected to reach 1,279 by 2043. The structure is 48 ft (14.6 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesGyle Road
CrossesCorning Canal
Location0.6 MI W of I-5
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates40.00017, -122.21616
Functional classRural Major Collector

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 rating104.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,312 (2004)
Projected traffic1,279 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Gyle Road over Corning Canal built?

It was built in 1956, making it 69 years old in 2025.

What condition is Gyle Road 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 Gyle Road over Corning Canal carry?

About 1,312 vehicles per day (2004 count), of which roughly 6% are trucks.

How long is Gyle Road over Corning Canal?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns Gyle Road over Corning Canal?

It is owned by the County Highway Agency.