US Bridges

Oakland Camp Road over Spanish Creek

Fair

Plumas County, California · 4.3 MI N/O RTE 70 · Structure no. 09C0101

Built
1920
105 years old, rebuilt 1961
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
130
2019 count
Owner
County
County Highway Agency

About this bridge

Oakland Camp Road over Spanish Creek is a steel stringer/multi-beam or girder carrying Oakland Camp Road over Spanish Creek in Plumas County, California. It was built in 1920 and reconstructed in 1961, so it is 105 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 130 vehicles a day, roughly 3% of them trucks, projected to reach 367 by 2041. The structure is 37 ft (11.3 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOakland Camp Road
CrossesSpanish Creek
Location4.3 MI N/O RTE 70
RouteCounty Highway 0
Coordinates39.97589, -120.90595
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.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width12 ft (3.6 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2019)
Projected traffic367 by 2041
Trucks3%
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 Oakland Camp Road over Spanish Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1961.

What condition is Oakland Camp Road over Spanish 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 October 2023.

How much traffic does Oakland Camp Road over Spanish Creek carry?

About 130 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Oakland Camp Road over Spanish Creek?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 12 ft wide.

Who owns Oakland Camp Road over Spanish Creek?

It is owned by the County Highway Agency.