US Bridges

Evergreen RD over South Fork Cottonwood CR

Fair

Tehama County, California · 0.3 MI N Bowman RD · Structure no. 08C0008

Built
1955
70 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
219 ft
2 main spans
Daily traffic
1,110
2009 count
Owner
County
County Highway Agency

About this bridge

Evergreen RD over South Fork Cottonwood CR is a steel stringer/multi-beam or girder carrying Evergreen RD over South Fork Cottonwood CR in Tehama County, California. It was built in 1955, so it is 70 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 1,110 vehicles a day, roughly 5% of them trucks, projected to reach 1,486 by 2046. The structure is 219 ft (66.8 m) long and 19 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesEvergreen RD
CrossesSouth Fork Cottonwood CR
Location0.3 MI N Bowman RD
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates40.36224, -122.33932
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadUnknown
Structure length219 ft (66.8 m)
Longest span81 ft (24.7 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,110 (2009)
Projected traffic1,486 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Evergreen RD over South Fork Cottonwood CR built?

It was built in 1955, making it 70 years old in 2025.

What condition is Evergreen RD over South Fork Cottonwood CR 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 2024.

How much traffic does Evergreen RD over South Fork Cottonwood CR carry?

About 1,110 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Evergreen RD over South Fork Cottonwood CR?

The structure is 219 ft (66.8 m) long with a longest span of 81 ft (24.7 m) and a deck 19 ft wide.

Who owns Evergreen RD over South Fork Cottonwood CR?

It is owned by the County Highway Agency.