US Bridges

Viola Ave over Interstate 5

Fair

Tehama County, California · 02-TEH-005-R6.99 · Structure no. 08 0121

Built
1966
59 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
192 ft
2 main spans
Daily traffic
650
2015 count
Owner
State
State Highway Agency

About this bridge

Viola Ave over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Viola Ave over Interstate 5 in Tehama County, California. It was built in 1966, so it is 59 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 650 vehicles a day, roughly 2% of them trucks, projected to reach 920 by 2040. The structure is 192 ft (58.5 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesViola Ave
CrossesInterstate 5
Location02-TEH-005-R6.99
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates39.89926, -122.20049
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span95 ft (29 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2015)
Projected traffic920 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Viola Ave over Interstate 5 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Viola Ave over Interstate 5 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 April 2023.

How much traffic does Viola Ave over Interstate 5 carry?

About 650 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Viola Ave over Interstate 5?

The structure is 192 ft (58.5 m) long with a longest span of 95 ft (29 m) and a deck 34 ft wide.

Who owns Viola Ave over Interstate 5?

It is owned by the State Highway Agency.