US Bridges

Sheep Ranch RD over San Domingo Creek

Good

Calaveras County, California · 2.4 MI N Murphys · Structure no. 30C0038

Built
1980
45 years old
Condition
Good
inspected March 2022
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
263
2011 count
Owner
County
County Highway Agency

About this bridge

Sheep Ranch RD over San Domingo Creek is a concrete slab carrying Sheep Ranch RD over San Domingo Creek in Calaveras County, California. It was built in 1980, so it is 45 years old, younger 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 263 vehicles a day, roughly 1% of them trucks, projected to reach 438 by 2044. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSheep Ranch RD
CrossesSan Domingo Creek
Location2.4 MI N Murphys
RouteCounty Highway 0
Coordinates38.16008, -120.47624
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating82.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263 (2011)
Projected traffic438 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Sheep Ranch RD over San Domingo Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Sheep Ranch RD over San Domingo Creek 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 March 2022.

How much traffic does Sheep Ranch RD over San Domingo Creek carry?

About 263 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Sheep Ranch RD over San Domingo Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 29 ft wide.

Who owns Sheep Ranch RD over San Domingo Creek?

It is owned by the County Highway Agency.