US Bridges

Platina RD over North Fork Cottonwood CR

Good

Shasta County, California · 4.5 MI W Gas Pt RD · Structure no. 06C0009

Built
1957
68 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
258 ft
3 main spans
Daily traffic
265
2012 count
Owner
County
County Highway Agency

About this bridge

Platina RD over North Fork Cottonwood CR is a steel stringer/multi-beam or girder carrying Platina RD over North Fork Cottonwood CR in Shasta County, California. It was built in 1957, so it is 68 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 265 vehicles a day, roughly 1% of them trucks, projected to reach 1,070 by 2044. The structure is 258 ft (78.6 m) long and 31 ft wide. If it were closed, the detour would be 83.9 mi (135 km).

CarriesPlatina RD
CrossesNorth Fork Cottonwood CR
Location4.5 MI W Gas Pt RD
RouteCounty Highway 0
Coordinates40.46983, -122.62243
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length258 ft (78.6 m)
Longest span84 ft (25.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2012)
Projected traffic1,070 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed83.9 mi (135 km)
TollOn a free road
National Highway SystemYes

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 Platina RD over North Fork Cottonwood CR built?

It was built in 1957, making it 68 years old in 2025.

What condition is Platina RD 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 Platina RD over North Fork Cottonwood CR carry?

About 265 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Platina RD over North Fork Cottonwood CR?

The structure is 258 ft (78.6 m) long with a longest span of 84 ft (25.6 m) and a deck 31 ft wide.

Who owns Platina RD over North Fork Cottonwood CR?

It is owned by the County Highway Agency.