US Bridges

Pool Station RD over San Antonio Creek

Fair

Calaveras County, California · 7.8 MI North of SR 4 · Structure no. 30C0087

Built
2006
19 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
118 ft
3 main spans
Daily traffic
459
2008 count
Owner
County
County Highway Agency

About this bridge

Pool Station RD over San Antonio Creek is a concrete continuous slab carrying Pool Station RD over San Antonio Creek in Calaveras County, California. It was built in 2006, so it is 19 years old, younger 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 459 vehicles a day, roughly 2% of them trucks, projected to reach 557 by 2047. The structure is 118 ft (36 m) long and 32 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesPool Station RD
CrossesSan Antonio Creek
Location7.8 MI North of SR 4
RouteCounty Highway 0
Coordinates38.14239, -120.66188
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length118 ft (36 m)
Longest span39 ft (12 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic459 (2008)
Projected traffic557 by 2047
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 Pool Station RD over San Antonio Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Pool Station RD over San Antonio 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 February 2025.

How much traffic does Pool Station RD over San Antonio Creek carry?

About 459 vehicles per day (2008 count), of which roughly 2% are trucks.

How long is Pool Station RD over San Antonio Creek?

The structure is 118 ft (36 m) long with a longest span of 39 ft (12 m) and a deck 32 ft wide.

Who owns Pool Station RD over San Antonio Creek?

It is owned by the County Highway Agency.