US Bridges

Newville RD over Orland Irrigation Canal

Fair

Tehama County, California · 1 MI NW Glenn Cnty LN E · Structure no. 08C0147

Built
1960
65 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
900
2007 count
Owner
County
County Highway Agency

About this bridge

Newville RD over Orland Irrigation Canal is a concrete slab carrying Newville RD over Orland Irrigation Canal in Tehama County, California. It was built in 1960, so it is 65 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 900 vehicles a day, roughly 6% of them trucks, projected to reach 1,313 by 2047. The structure is 32 ft (9.8 m) long and 25 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

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CarriesNewville RD
CrossesOrland Irrigation Canal
Location1 MI NW Glenn Cnty LN E
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates39.80947, -122.33007
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
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 alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2007)
Projected traffic1,313 by 2047
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 Newville RD over Orland Irrigation Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is Newville RD over Orland Irrigation 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 February 2025.

How much traffic does Newville RD over Orland Irrigation Canal carry?

About 900 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is Newville RD over Orland Irrigation Canal?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Newville RD over Orland Irrigation Canal?

It is owned by the County Highway Agency.