US Bridges

Road 27N24Y over Indian Creek

Fair

Plumas County, California · Campground - Antelope Lk · Structure no. 051152000001023

Built
1967
58 years old, rebuilt 1988
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
50 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Road 27N24Y over Indian Creek is a concrete tee beam carrying Road 27N24Y over Indian Creek in Plumas County, California. It was built in 1967 and reconstructed in 1988, so it is 58 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRoad 27N24Y
CrossesIndian Creek
LocationCampground - Antelope Lk
RouteFederal Lands Road 27N24
CountyPlumas County
StateCalifornia
Coordinates40.19616, -120.6154
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating—
Inventory rating—

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.5 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 27N24Y over Indian Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1988.

What condition is Road 27N24Y 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 Road 27N24Y over Indian Creek carry?

About 50 vehicles per day (latest count).

How long is Road 27N24Y over Indian Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.5 m) and a deck 30 ft wide.

Who owns Road 27N24Y over Indian Creek?

It is owned by the U.S. Forest Service.