US Bridges

Main ST over Cottonwood Creek

Fair

Shasta County, California · Tehama-Shasta CO Line · Structure no. 06C0081

Built
2003
22 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
1,176 ft
9 main spans
Daily traffic
2,359
2014 count
Owner
County
County Highway Agency

About this bridge

Main ST over Cottonwood Creek is a concrete continuous stringer/multi-beam or girder carrying Main ST over Cottonwood Creek in Shasta County, California. It was built in 2003, so it is 22 years old, younger 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 2,359 vehicles a day, roughly 2% of them trucks, projected to reach 3,208 by 2041. The structure is 1,176 ft (358.5 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMain ST
CrossesCottonwood Creek
LocationTehama-Shasta CO Line
RouteCounty Highway 0
Coordinates40.37388, -122.2838
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length1,176 ft (358.5 m)
Longest span141 ft (43 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,359 (2014)
Projected traffic3,208 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Main ST over Cottonwood Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Main ST over Cottonwood Creek 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 2024.

How much traffic does Main ST over Cottonwood Creek carry?

About 2,359 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Main ST over Cottonwood Creek?

The structure is 1,176 ft (358.5 m) long with a longest span of 141 ft (43 m) and a deck 42 ft wide.

Who owns Main ST over Cottonwood Creek?

It is owned by the County Highway Agency.