US Bridges

South Ave over Sacramento Riv Ovrflo #4

Fair

Tehama County, California · 2.6 MI W of SH 99 · Structure no. 08C0079

Built
1941
84 years old, rebuilt 1958
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
62 ft
2 main spans
Daily traffic
6,472
2005 count
Owner
County
County Highway Agency

About this bridge

South Ave over Sacramento Riv Ovrflo #4 is a concrete continuous slab carrying South Ave over Sacramento Riv Ovrflo #4 in Tehama County, California. It was built in 1941 and reconstructed in 1958, so it is 84 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 6 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 6,472 vehicles a day, roughly 8% of them trucks, projected to reach 11,197 by 2043. The structure is 62 ft (18.9 m) long and 42 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesSouth Ave
CrossesSacramento Riv Ovrflo #4
Location2.6 MI W of SH 99
RouteCounty Highway 0
Coordinates39.91527, -122.07599
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating16.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.8 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,472 (2005)
Projected traffic11,197 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 South Ave over Sacramento Riv Ovrflo #4 built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1958.

What condition is South Ave over Sacramento Riv Ovrflo #4 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 South Ave over Sacramento Riv Ovrflo #4 carry?

About 6,472 vehicles per day (2005 count), of which roughly 8% are trucks.

How long is South Ave over Sacramento Riv Ovrflo #4?

The structure is 62 ft (18.9 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns South Ave over Sacramento Riv Ovrflo #4?

It is owned by the County Highway Agency.