US Bridges

Gold Strike Road over North Fork Calaveras Riv

Fair

Calaveras County, California · 0.4 MI SW of SR 49 · Structure no. 30C0023

Built
1951
74 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
153 ft
5 main spans
Daily traffic
887
2009 count
Owner
County
County Highway Agency

About this bridge

Gold Strike Road over North Fork Calaveras Riv is a concrete continuous slab carrying Gold Strike Road over North Fork Calaveras Riv in Calaveras County, California. It was built in 1951, so it is 74 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 887 vehicles a day, roughly 7% of them trucks, projected to reach 923 by 2047. The structure is 153 ft (46.5 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGold Strike Road
CrossesNorth Fork Calaveras Riv
Location0.4 MI SW of SR 49
RouteCounty Highway 0
CountyCalaveras County
StateCalifornia
Coordinates38.22581, -120.69946
Functional classRural Minor 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 protection7 GoodSome minor problems.
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 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 rating81 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length153 ft (46.5 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic887 (2009)
Projected traffic923 by 2047
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Gold Strike Road over North Fork Calaveras Riv built?

It was built in 1951, making it 74 years old in 2025.

What condition is Gold Strike Road over North Fork Calaveras Riv 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 Gold Strike Road over North Fork Calaveras Riv carry?

About 887 vehicles per day (2009 count), of which roughly 7% are trucks.

How long is Gold Strike Road over North Fork Calaveras Riv?

The structure is 153 ft (46.5 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns Gold Strike Road over North Fork Calaveras Riv?

It is owned by the County Highway Agency.