US Bridges

Camanche Road over Jackson Creek

Fair

Amador County, California · 0.2 MI S Jackson Vly RD · Structure no. 26C0012

Built
1976
49 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
87 ft
4 main spans
Daily traffic
1,834
2013 count
Owner
County
County Highway Agency

About this bridge

Camanche Road over Jackson Creek is a concrete continuous slab carrying Camanche Road over Jackson Creek in Amador County, California. It was built in 1976, so it is 49 years old, younger 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 1,834 vehicles a day, roughly 5% of them trucks, projected to reach 3,747 by 2042. The structure is 87 ft (26.5 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCamanche Road
CrossesJackson Creek
Location0.2 MI S Jackson Vly RD
RouteCounty Highway 0
CountyAmador County
StateCalifornia
Coordinates38.29034, -120.92774
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length87 ft (26.5 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,834 (2013)
Projected traffic3,747 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Camanche Road over Jackson Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Camanche Road over Jackson 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 April 2024.

How much traffic does Camanche Road over Jackson Creek carry?

About 1,834 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Camanche Road over Jackson Creek?

The structure is 87 ft (26.5 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns Camanche Road over Jackson Creek?

It is owned by the County Highway Agency.