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State Route 89 over East Fork Carson River

Alpine County, California · rated Fair in the 2025 National Bridge Inventory

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

State Route 89 over East Fork Carson River in Alpine County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1934 and reconstructed in 1984, making it 91 years old at the 2025 inventory.
It carries about 950 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 21 of the 33 inventoried bridges in Alpine County rated fair (63.6%); 2 (6.1%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 156 ft
Location	10-alp-089-13.30
NBI structure number	31 0001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
State Route 88 over West Fork Carson River	1952	3,225	Fair
Old State Route 88 over West Fork Carson River	1939	3,200	Fair
State Route 89 over West Fork Carson River	1960	3,200	Fair
State Route 88 over West Fork Carson River	1963	3,200	Good
State Route 88 over West Fork Carson River	1963	3,200	Good
State Route 89 over Wildlife Access	1980	3,050	Good