US Bridges

Gas Point Road over Antelope Creek

Fair

Shasta County, California · 8.6 MI West of I-5 · Structure no. 06C0187

Built
1925
100 years old, rebuilt 1969
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
40 ft
2 main spans
Daily traffic
1,225
2013 count
Owner
County
County Highway Agency

About this bridge

Gas Point Road over Antelope Creek is a concrete continuous slab carrying Gas Point Road over Antelope Creek in Shasta County, California. It was built in 1925 and reconstructed in 1969, so it is 100 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.

It carries about 1,225 vehicles a day, roughly 5% of them trucks, projected to reach 1,433 by 2044. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesGas Point Road
CrossesAntelope Creek
Location8.6 MI West of I-5
RouteCounty Highway 0
Coordinates40.38831, -122.44693
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,225 (2013)
Projected traffic1,433 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 Point Road over Antelope Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1969.

What condition is Gas Point Road over Antelope 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 September 2024.

How much traffic does Gas Point Road over Antelope Creek carry?

About 1,225 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Gas Point Road over Antelope Creek?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 29 ft wide.

Who owns Gas Point Road over Antelope Creek?

It is owned by the County Highway Agency.