US Bridges

Warren RD over Indian Creek

Fair

Calaveras County, California · N of Intersect SR 26 · Structure no. 30C0068

Built
1936
89 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
277
2011 count
Owner
County
County Highway Agency

About this bridge

Warren RD over Indian Creek is a concrete continuous slab carrying Warren RD over Indian 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 6 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 277 vehicles a day, roughly 1% of them trucks, projected to reach 289 by 2047. The structure is 47 ft (14.3 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWarren RD
CrossesIndian Creek
LocationN of Intersect SR 26
RouteCounty Highway 0
Coordinates38.10324, -120.92207
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic277 (2011)
Projected traffic289 by 2047
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Warren RD over Indian Creek built?

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

What condition is Warren RD over Indian 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 February 2025.

How much traffic does Warren RD over Indian Creek carry?

About 277 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Warren RD over Indian Creek?

The structure is 47 ft (14.3 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns Warren RD over Indian Creek?

It is owned by the County Highway Agency.