US Bridges

Spanish Ranch RD over Spanish Creek

Fair

Plumas County, California · Intersect Bucks Lake RD · Structure no. 09C0038

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
50
2019 count
Owner
County
County Highway Agency

About this bridge

Spanish Ranch RD over Spanish Creek is a steel stringer/multi-beam or girder carrying Spanish Ranch RD over Spanish Creek in Plumas County, California. It was built in 1962, so it is 63 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 50 vehicles a day, projected to reach 84 by 2044. The structure is 53 ft (16.2 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpanish Ranch RD
CrossesSpanish Creek
LocationIntersect Bucks Lake RD
RouteCounty Highway 0
Coordinates39.94702, -121.04702
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.
Superstructure7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span49 ft (14.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic84 by 2044
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Spanish Ranch RD over Spanish Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Spanish Ranch RD 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 Spanish Ranch RD over Spanish Creek carry?

About 50 vehicles per day (2019 count).

How long is Spanish Ranch RD over Spanish Creek?

The structure is 53 ft (16.2 m) long with a longest span of 49 ft (14.9 m) and a deck 16 ft wide.

Who owns Spanish Ranch RD over Spanish Creek?

It is owned by the County Highway Agency.