US Bridges

Belden Town Road over North Fork Feather River

Fair

Plumas County, California · 0.01 MI South of SR 70 · Structure no. 09C0042

Built
1912
113 years old
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
212 ft
1 main span
Daily traffic
170
2019 count
Owner
County
County Highway Agency

About this bridge

Belden Town Road over North Fork Feather River is a steel truss - thru carrying Belden Town Road over North Fork Feather River in Plumas County, California. It was built in 1912, so it is 113 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 5 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 170 vehicles a day, roughly 2% of them trucks, projected to reach 209 by 2044. The structure is 212 ft (64.6 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesBelden Town Road
CrossesNorth Fork Feather River
Location0.01 MI South of SR 70
RouteCounty Highway 0
CountyPlumas County
StateCalifornia
Coordinates40.00649, -121.24946
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadUnknown
Structure length212 ft (64.6 m)
Longest span104 ft (31.7 m)
Deck width17 ft (5.2 m)
Roadway width13 ft (4 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic170 (2019)
Projected traffic209 by 2044
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Belden Town Road over North Fork Feather River built?

It was built in 1912, making it 113 years old in 2025.

What condition is Belden Town Road over North Fork Feather River 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 Belden Town Road over North Fork Feather River carry?

About 170 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Belden Town Road over North Fork Feather River?

The structure is 212 ft (64.6 m) long with a longest span of 104 ft (31.7 m) and a deck 17 ft wide.

Who owns Belden Town Road over North Fork Feather River?

It is owned by the County Highway Agency.