US Bridges

Adobe RD over Anderson Creek

Fair

Shasta County, California · 3.4 MI SE Balls Ferry RD · Structure no. 06C0203

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
155 ft
3 main spans
Daily traffic
10
2013 count
Owner
County
County Highway Agency

About this bridge

Adobe RD over Anderson Creek is a wood or timber stringer/multi-beam or girder carrying Adobe RD over Anderson Creek in Shasta County, California. It was built in 1968, so it is 57 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 20 by 2045. The structure is 155 ft (47.3 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesAdobe RD
CrossesAnderson Creek
Location3.4 MI SE Balls Ferry RD
RouteCounty Highway 0
CountyShasta County
StateCalifornia
Coordinates40.39128, -122.19847
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating28.5 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length155 ft (47.3 m)
Longest span52 ft (15.8 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2013)
Projected traffic20 by 2045
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Adobe RD over Anderson Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Adobe RD over Anderson 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 September 2024.

How much traffic does Adobe RD over Anderson Creek carry?

About 10 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Adobe RD over Anderson Creek?

The structure is 155 ft (47.3 m) long with a longest span of 52 ft (15.8 m) and a deck 14 ft wide.

Who owns Adobe RD over Anderson Creek?

It is owned by the County Highway Agency.