US Bridges

A Street over Unnamed Drainage

Good

Tehama County, California · 0.5 MI N Kauffman Ave · Structure no. 08C0266

Built
1984
41 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
304
2010 count
Owner
County
County Highway Agency

About this bridge

A Street over Unnamed Drainage is a concrete continuous culvert carrying A Street over Unnamed Drainage in Tehama County, California. It was built in 1984, so it is 41 years old, younger 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 304 vehicles a day, roughly 10% of them trucks, projected to reach 521 by 2044. The structure is 38 ft (11.6 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesA Street
CrossesUnnamed Drainage
Location0.5 MI N Kauffman Ave
RouteCounty Highway 0
Coordinates40.13608, -122.09332
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span13 ft (4 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic304 (2010)
Projected traffic521 by 2044
Trucks10%
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 A Street over Unnamed Drainage built?

It was built in 1984, making it 41 years old in 2025.

What condition is A Street over Unnamed Drainage 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 April 2022.

How much traffic does A Street over Unnamed Drainage carry?

About 304 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is A Street over Unnamed Drainage?

The structure is 38 ft (11.6 m) long with a longest span of 13 ft (4 m) and a deck 29 ft wide.

Who owns A Street over Unnamed Drainage?

It is owned by the County Highway Agency.