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Chiniak Highway over American River

Kodiak Island Borough, Alaska · rated Fair in the 2025 National Bridge Inventory

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

Chiniak Highway over American River in Kodiak Island Borough, Alaska, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1974, making it 51 years old at the 2025 inventory.
It carries about 600 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 14 of the 25 inventoried bridges in Kodiak Island Borough rated fair (56.0%); 3 (12.0%) 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	Prestressed concrete tee beam
Length	about 156 ft
Location	Mile Point 9.4
NBI structure number	0284
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Rezanof Drive over Buskin River No 5	1995	5,150	Good
Rezanof Drive over Sargent Creek	1980	2,790	Poor
Near Island Road over Kodiak Harbor Channel	1986	1,970	Good
Rezanof Drive over Russian River	1980	1,770	Poor
Chiniak Highway over Salt Creek	1974	600	Poor
Chiniak Highway over Small Creek	1974	600	Fair