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Old Fibreboard Rd over Little Truckee River

Sierra County, California · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Old Fibreboard Rd over Little Truckee River in Sierra County, California, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2014, making it 11 years old at the 2025 inventory.
It carries about 400 vehicles a day (traffic count year 2014).
Its listed owner is the county highway agency.
It is one of 29 of the 66 inventoried bridges in Sierra County rated good (43.9%); 4 (6.1%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 107 ft
Location	S of Jackson Meadow Rd
NBI structure number	13C0061
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.

Bridge	Built	Vehicles/day	Condition
U.S. Highway 395 over Long Valley Rd	1976	4,600	Good
U.S. Highway 395 over Long Valley Rd	1976	2,300	Good
State Route 89 over Little Truckee River	1982	2,000	Fair
State Route 49 over Smithneck Creek	1965	1,900	Good
State Route 89 over Turner Canyon	1975	1,400	Good
State Route 49 over Downie River	1938	1,200	Good