US Bridges

Foster Road over North Fork Cottonwood CR

Good

Shasta County, California · 0.3 MI E Gas Point RD · Structure no. 06C0010

Built
1966
59 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
196 ft
4 main spans
Daily traffic
100
2013 count
Owner
County
County Highway Agency

About this bridge

Foster Road over North Fork Cottonwood CR is a concrete continuous tee beam carrying Foster Road over North Fork Cottonwood CR in Shasta 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 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 409 by 2044. The structure is 196 ft (59.7 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesFoster Road
CrossesNorth Fork Cottonwood CR
Location0.3 MI E Gas Point RD
RouteCounty Highway 0
Coordinates40.39693, -122.52863
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length196 ft (59.7 m)
Longest span52 ft (16 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2013)
Projected traffic409 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Foster Road over North Fork Cottonwood CR built?

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

What condition is Foster Road over North Fork Cottonwood CR 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 September 2024.

How much traffic does Foster Road over North Fork Cottonwood CR carry?

About 100 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Foster Road over North Fork Cottonwood CR?

The structure is 196 ft (59.7 m) long with a longest span of 52 ft (16 m) and a deck 29 ft wide.

Who owns Foster Road over North Fork Cottonwood CR?

It is owned by the County Highway Agency.