US Bridges

Gas Pt RD over Ludwig Gulch

Good

Shasta County, California · 3.0 MI West of I-5 · Structure no. 06C0184

Built
1940
85 years old, rebuilt 1965
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
46 ft
2 main spans
Daily traffic
3,206
2013 count
Owner
County
County Highway Agency

About this bridge

Gas Pt RD over Ludwig Gulch is a concrete continuous slab carrying Gas Pt RD over Ludwig Gulch in Shasta County, California. It was built in 1940 and reconstructed in 1965, so it is 85 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 3,206 vehicles a day, roughly 5% of them trucks, projected to reach 4,094 by 2044. The structure is 46 ft (14 m) long and 39 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesGas Pt RD
CrossesLudwig Gulch
Location3.0 MI West of I-5
RouteCounty Highway 0
Coordinates40.38931, -122.34214
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length46 ft (14 m)
Longest span19 ft (5.8 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,206 (2013)
Projected traffic4,094 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.9 mi (69 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 Gas Pt RD over Ludwig Gulch built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1965.

What condition is Gas Pt RD over Ludwig Gulch 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 Gas Pt RD over Ludwig Gulch carry?

About 3,206 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Gas Pt RD over Ludwig Gulch?

The structure is 46 ft (14 m) long with a longest span of 19 ft (5.8 m) and a deck 39 ft wide.

Who owns Gas Pt RD over Ludwig Gulch?

It is owned by the County Highway Agency.