US Bridges

State Route 26 over Indian Creek

Poor

Calaveras County, California · 10-CAL-026-0.82 · Structure no. 30 0023

Built
1998
27 years old
Condition
Poor
inspected May 2023
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
2,500
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 26 over Indian Creek is a concrete continuous slab carrying State Route 26 over Indian Creek in Calaveras County, California. It was built in 1998, so it is 27 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,500 vehicles a day, roughly 4% of them trucks, projected to reach 10,000 by 2041. The structure is 83 ft (25.2 m) long and 43 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesState Route 26
CrossesIndian Creek
Location10-CAL-026-0.82
RouteState Highway 26
Coordinates38.10132, -120.9288
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length83 ft (25.2 m)
Longest span32 ft (9.7 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2019)
Projected traffic10,000 by 2041
Trucks4%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$554,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 26 over Indian Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is State Route 26 over Indian Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does State Route 26 over Indian Creek carry?

About 2,500 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is State Route 26 over Indian Creek?

The structure is 83 ft (25.2 m) long with a longest span of 32 ft (9.7 m) and a deck 43 ft wide.

Who owns State Route 26 over Indian Creek?

It is owned by the State Highway Agency.