US Bridges

Fdr 41 over East Fork

Fair

Nevada County, California · S30 T19N R12E · Structure no. 051755000001002

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
73 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 41 over East Fork is a steel girder and floorbeam system carrying Fdr 41 over East Fork in Nevada County, California. It was built in 1972, so it is 53 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 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 73 ft (22.4 m) long and 15 ft wide.

CarriesFdr 41
CrossesEast Fork
LocationS30 T19N R12E
RouteFederal Lands Road 41
Coordinates39.48159, -120.66919
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.4 m)
Longest span73 ft (22.4 m)
Deck width15 ft (4.5 m)
Roadway width15 ft (4.5 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 Fdr 41 over East Fork built?

It was built in 1972, making it 53 years old in 2025.

What condition is Fdr 41 over East Fork 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 2024.

How much traffic does Fdr 41 over East Fork carry?

About 50 vehicles per day (latest count).

How long is Fdr 41 over East Fork?

The structure is 73 ft (22.4 m) long with a longest span of 73 ft (22.4 m) and a deck 15 ft wide.

Who owns Fdr 41 over East Fork?

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