US Bridges

Keddie Resort Road over Spanish Creek

Fair

Plumas County, California · At SR 70 · Structure no. 09C0034

Built
1914
111 years old, rebuilt 1965
Condition
Fair
inspected October 2023
Type
Truss - Thru
Steel
Length
86 ft
1 main span
Daily traffic
140
2019 count
Owner
County
County Highway Agency

About this bridge

Keddie Resort Road over Spanish Creek is a steel truss - thru carrying Keddie Resort Road over Spanish Creek in Plumas County, California. It was built in 1914 and reconstructed in 1965, so it is 111 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 140 vehicles a day, roughly 2% of them trucks, projected to reach 419 by 2044. The structure is 86 ft (26.2 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKeddie Resort Road
CrossesSpanish Creek
LocationAt SR 70
RouteCounty Highway 0
Coordinates40.0138, -120.96498
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.5 US tons
Inventory rating19.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length86 ft (26.2 m)
Longest span80 ft (24.4 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2019)
Projected traffic419 by 2044
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
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 Keddie Resort Road over Spanish Creek built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1965.

What condition is Keddie Resort 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 Keddie Resort Road over Spanish Creek carry?

About 140 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Keddie Resort Road over Spanish Creek?

The structure is 86 ft (26.2 m) long with a longest span of 80 ft (24.4 m) and a deck 16 ft wide.

Who owns Keddie Resort Road over Spanish Creek?

It is owned by the County Highway Agency.