US Bridges

Solari Ranch RD over Calaveras River

Good

San Joaquin County, California · 0.5 MI N of Cherokee RD · Structure no. 29C0336

Built
1965
60 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
238
2013 count
Owner
County
County Highway Agency

About this bridge

Solari Ranch RD over Calaveras River is a concrete continuous slab carrying Solari Ranch RD over Calaveras River in San Joaquin County, California. It was built in 1965, so it is 60 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 238 vehicles a day, roughly 15% of them trucks, projected to reach 333 by 2047. The structure is 66 ft (20.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSolari Ranch RD
CrossesCalaveras River
Location0.5 MI N of Cherokee RD
RouteCounty Highway 0
Coordinates38.02067, -121.22986
Functional classRural Local

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.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating97.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic238 (2013)
Projected traffic333 by 2047
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Solari Ranch RD over Calaveras River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Solari Ranch RD over Calaveras River 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 February 2025.

How much traffic does Solari Ranch RD over Calaveras River carry?

About 238 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is Solari Ranch RD over Calaveras River?

The structure is 66 ft (20.1 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Solari Ranch RD over Calaveras River?

It is owned by the County Highway Agency.