US Bridges

Road 22N43Y over Lower Hopkins Creek

Fair

Plumas County, California · No Data Entered · Structure no. 051153000001067

Built
1984
41 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
45 ft
1 main span
Daily traffic
5
1990 count
Owner
Federal
U.S. Forest Service

About this bridge

Road 22N43Y over Lower Hopkins Creek is a wood or timber stringer/multi-beam or girder carrying Road 22N43Y over Lower Hopkins Creek in Plumas County, California. It was built in 1984, so it is 41 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 5 vehicles a day, projected to reach 7 by 2045. The structure is 45 ft (13.6 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRoad 22N43Y
CrossesLower Hopkins Creek
LocationNo Data Entered
RouteFederal Lands Road 22N43
Coordinates39.78859, -120.82478
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.
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; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length45 ft (13.6 m)
Longest span42 ft (12.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (1990)
Projected traffic7 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 22N43Y over Lower Hopkins Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Road 22N43Y over Lower Hopkins 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 22N43Y over Lower Hopkins Creek carry?

About 5 vehicles per day (1990 count).

How long is Road 22N43Y over Lower Hopkins Creek?

The structure is 45 ft (13.6 m) long with a longest span of 42 ft (12.8 m) and a deck 24 ft wide.

Who owns Road 22N43Y over Lower Hopkins Creek?

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