US Bridges

Ottman Ave over Corning Canal

Good

Tehama County, California · 0.1 MI East Rawson Road · Structure no. 08C0282

Built
1954
71 years old
Condition
Good
inspected December 2023
Type
Slab
Prestressed Concrete
Length
53 ft
2 main spans
Daily traffic
25
2004 count
Owner
County
County Highway Agency

About this bridge

Ottman Ave over Corning Canal is a prestressed concrete slab carrying Ottman Ave 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 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 25 vehicles a day, projected to reach 66 by 2045. The structure is 53 ft (16.2 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOttman Ave
CrossesCorning Canal
Location0.1 MI East Rawson Road
RouteCounty Highway 0
Coordinates40.07697, -122.2317
Functional classRural Local

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 inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span26 ft (7.9 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2004)
Projected traffic66 by 2045
Trucks—
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 Ottman Ave over Corning Canal built?

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

What condition is Ottman Ave over Corning Canal 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 December 2023.

How much traffic does Ottman Ave over Corning Canal carry?

About 25 vehicles per day (2004 count).

How long is Ottman Ave 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 19 ft wide.

Who owns Ottman Ave over Corning Canal?

It is owned by the County Highway Agency.