US Bridges

Road 22N94 over South Br Middle Fork

Good

Plumas County, California · No Data Entered · Structure no. 051153000001042

Built
1957
68 years old, rebuilt 2000
Condition
Good
inspected August 2023
Type
Frame
Concrete
Length
100 ft
3 main spans
Daily traffic
60
1983 count
Owner
Federal
U.S. Forest Service

About this bridge

Road 22N94 over South Br Middle Fork is a concrete frame carrying Road 22N94 over South Br Middle Fork in Plumas County, California. It was built in 1957 and reconstructed in 2000, so it is 68 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 90 by 2045. The structure is 100 ft (30.5 m) long and 17 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesRoad 22N94
CrossesSouth Br Middle Fork
LocationNo Data Entered
RouteFederal Lands Road 22N94
Coordinates39.70995, -121.19417
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans3
Design loadOther
Structure length100 ft (30.5 m)
Longest span65 ft (19.8 m)
Deck width17 ft (5.3 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 South Br Middle Fork built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2000.

What condition is Road 22N94 over South Br Middle Fork in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Road 22N94 over South Br Middle Fork carry?

About 60 vehicles per day (1983 count).

How long is Road 22N94 over South Br Middle Fork?

The structure is 100 ft (30.5 m) long with a longest span of 65 ft (19.8 m) and a deck 17 ft wide.

Who owns Road 22N94 over South Br Middle Fork?

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