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State Route 162 over Middle Fork Eel River

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

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

State Route 162 over Middle Fork Eel River in Mendocino 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 1985, making it 40 years old at the 2025 inventory.
It carries about 860 vehicles a day (traffic count year 2009).
Its listed owner is the state highway agency.
It is one of 124 of the 356 inventoried bridges in Mendocino County rated good (34.8%); 27 (7.6%) 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	Continuous prestressed concrete multiple box beam
Length	about 490 ft
Location	01-men-162-15.14
NBI structure number	10 0252
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
State Route 1 over Pudding Creek	1959	23,950	Good
State Route 001 over Noyo River & Harbor Dr	2005	23,950	Good
U.S. Highway 101 over Austin Creek	1964	20,900	Good
North State St over Forsythe Creek	1949	20,200	Fair
U.S. Highway 101 over Ncrra/nwp RR	1957	19,000	Fair
U.S. Highway 101 over Baker Creek	1971	19,000	Good