US Bridges

Dogtown RD over Indian Creek

Fair

Calaveras County, California · 8.6 MI N/O SR 49 · Structure no. 30C0051

Built
1930
95 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
35
2011 count
Owner
County
County Highway Agency

About this bridge

Dogtown RD over Indian Creek is a concrete continuous slab carrying Dogtown RD over Indian Creek in Calaveras County, California. It was built in 1930, so it is 95 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 35 vehicles a day, projected to reach 209 by 2042. The structure is 29 ft (8.8 m) long and 19 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesDogtown RD
CrossesIndian Creek
Location8.6 MI N/O SR 49
RouteCounty Highway 0
CountyCalaveras County
StateCalifornia
Coordinates38.14588, -120.56917
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span13 ft (4 m)
Deck width19 ft (5.7 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2011)
Projected traffic209 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Dogtown RD over Indian Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Dogtown 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 March 2024.

How much traffic does Dogtown RD over Indian Creek carry?

About 35 vehicles per day (2011 count).

How long is Dogtown RD over Indian Creek?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m) and a deck 19 ft wide.

Who owns Dogtown RD over Indian Creek?

It is owned by the County Highway Agency.