US Bridges

Road 22N94 over Cascade Creek

Fair

Plumas County, California · No Data Entered · Structure no. 051153000001043

Built
1966
59 years old, rebuilt 2000
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
92 ft
2 main spans
Daily traffic
60
1983 count
Owner
Federal
U.S. Forest Service

About this bridge

Road 22N94 over Cascade Creek is a concrete tee beam carrying Road 22N94 over Cascade Creek in Plumas County, California. It was built in 1966 and reconstructed in 2000, so it is 59 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 60 vehicles a day, projected to reach 90 by 2045. The structure is 92 ft (27.9 m) long and 16 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesRoad 22N94
CrossesCascade Creek
LocationNo Data Entered
RouteFederal Lands Road 22N94
CountyPlumas County
StateCalifornia
Coordinates39.70111, -121.20189
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length92 ft (27.9 m)
Longest span44 ft (13.5 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1983)
Projected traffic90 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 22N94 over Cascade Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2000.

What condition is Road 22N94 over Cascade 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 August 2023.

How much traffic does Road 22N94 over Cascade Creek carry?

About 60 vehicles per day (1983 count).

How long is Road 22N94 over Cascade Creek?

The structure is 92 ft (27.9 m) long with a longest span of 44 ft (13.5 m) and a deck 16 ft wide.

Who owns Road 22N94 over Cascade Creek?

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