US Bridges

Sheep Ranch RD over Indian Creek

Good

Calaveras County, California · 6 MI N of Murphys · Structure no. 30C0030

Built
1989
36 years old
Condition
Good
inspected March 2024
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
161
2011 count
Owner
County
County Highway Agency

About this bridge

Sheep Ranch RD over Indian Creek is a concrete frame carrying Sheep Ranch RD over Indian Creek in Calaveras County, California. It was built in 1989, so it is 36 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 161 vehicles a day, roughly 5% of them trucks, projected to reach 438 by 2044. The structure is 30 ft (9.1 m) long and 29 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesSheep Ranch RD
CrossesIndian Creek
Location6 MI N of Murphys
RouteCounty Highway 0
Coordinates38.18649, -120.44727
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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2011)
Projected traffic438 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Indian Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Sheep Ranch RD over Indian 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 2024.

How much traffic does Sheep Ranch RD over Indian Creek carry?

About 161 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Sheep Ranch RD over Indian Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 29 ft wide.

Who owns Sheep Ranch RD over Indian Creek?

It is owned by the County Highway Agency.