US Bridges

Road 22N10 over Gray Eagle Creek

Fair

Plumas County, California · Gray Eagle Lodge · Structure no. 051151000001012

Built
1977
48 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Wood or Timber
Length
33 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Road 22N10 over Gray Eagle Creek is a wood or timber girder and floorbeam system carrying Road 22N10 over Gray Eagle Creek in Plumas County, California. It was built in 1977, so it is 48 years old, younger 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 33 ft (10.1 m) long and 14 ft wide.

CarriesRoad 22N10
CrossesGray Eagle Creek
LocationGray Eagle Lodge
RouteFederal Lands Road 22N10
Coordinates39.72513, -120.6605
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span31 ft (9.3 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 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 closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 22N10 over Gray Eagle Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Road 22N10 over Gray Eagle 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 22N10 over Gray Eagle Creek carry?

About 50 vehicles per day (latest count).

How long is Road 22N10 over Gray Eagle Creek?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.3 m) and a deck 14 ft wide.

Who owns Road 22N10 over Gray Eagle Creek?

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