US Bridges

Whiskey Slide RD over Jesus Maria Creek

Fair

Calaveras County, California · 2.7 MI SE of Jesus Maria · Structure no. 30C0062

Built
1936
89 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
93
2011 count
Owner
County
County Highway Agency

About this bridge

Whiskey Slide RD over Jesus Maria Creek is a steel stringer/multi-beam or girder carrying Whiskey Slide RD over Jesus Maria Creek in Calaveras County, California. It was built in 1936, so it is 89 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 93 vehicles a day, projected to reach 136 by 2042. The structure is 40 ft (12.2 m) long and 14 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesWhiskey Slide RD
CrossesJesus Maria Creek
Location2.7 MI SE of Jesus Maria
RouteCounty Highway 0
CountyCalaveras County
StateCalifornia
Coordinates38.25799, -120.57925
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width14 ft (4.4 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93 (2011)
Projected traffic136 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Whiskey Slide RD over Jesus Maria Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Whiskey Slide RD over Jesus Maria 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 March 2024.

How much traffic does Whiskey Slide RD over Jesus Maria Creek carry?

About 93 vehicles per day (2011 count).

How long is Whiskey Slide RD over Jesus Maria Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 14 ft wide.

Who owns Whiskey Slide RD over Jesus Maria Creek?

It is owned by the County Highway Agency.