US Bridges

Stampfli LN over Indian Creek

Fair

Plumas County, California · 0.6 MI E of SR 89 · Structure no. 09C0053

Built
1954
71 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
206 ft
4 main spans
Daily traffic
370
2019 count
Owner
County
County Highway Agency

About this bridge

Stampfli LN over Indian Creek is a steel stringer/multi-beam or girder carrying Stampfli LN over Indian Creek in Plumas County, California. It was built in 1954, so it is 71 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 370 vehicles a day, roughly 8% of them trucks, projected to reach 314 by 2044. The structure is 206 ft (62.8 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesStampfli LN
CrossesIndian Creek
Location0.6 MI E of SR 89
RouteCounty Highway 0
CountyPlumas County
StateCalifornia
Coordinates40.10709, -120.89926
Functional classRural Minor 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
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 inspectionSeptember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length206 ft (62.8 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2019)
Projected traffic314 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Stampfli LN over Indian Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Stampfli LN over Indian 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 2023.

How much traffic does Stampfli LN over Indian Creek carry?

About 370 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Stampfli LN over Indian Creek?

The structure is 206 ft (62.8 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns Stampfli LN over Indian Creek?

It is owned by the County Highway Agency.