US Bridges

Lower Gas Point RD over North Fork Cottonwood CR

FairPosted for load

Shasta County, California · 0.5 MI N of Gas Pont Road · Structure no. 06C0024

Built
1920
105 years old
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
202 ft
2 main spans
Daily traffic
10
2013 count
Owner
County
County Highway Agency

About this bridge

Lower Gas Point RD over North Fork Cottonwood CR is a steel truss - thru carrying Lower Gas Point RD over North Fork Cottonwood CR in Shasta County, California. It was built in 1920, so it is 105 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 1% of them trucks, projected to reach 41 by 2044. The structure is 202 ft (61.6 m) long and 12 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLower Gas Point RD
CrossesNorth Fork Cottonwood CR
Location0.5 MI N of Gas Pont Road
RouteCounty Highway 0
Coordinates40.41502, -122.53218
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating20.7 US tons
Inventory rating12.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length202 ft (61.6 m)
Longest span100 ft (30.5 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deck12 ft (3.6 m)

Traffic and service

Average daily traffic10 (2013)
Projected traffic41 by 2044
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Lower Gas Point RD over North Fork Cottonwood CR built?

It was built in 1920, making it 105 years old in 2025.

What condition is Lower Gas Point RD over North 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 September 2024.

How much traffic does Lower Gas Point RD over North Fork Cottonwood CR carry?

About 10 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Lower Gas Point RD over North Fork Cottonwood CR?

The structure is 202 ft (61.6 m) long with a longest span of 100 ft (30.5 m) and a deck 12 ft wide.

Who owns Lower Gas Point RD over North Fork Cottonwood CR?

It is owned by the County Highway Agency.