Bridge conditions in Kodiak Island Borough, Alaska
25 inventoried bridges · 3 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Kodiak Island Borough has 3 bridges rated poor out of 25 inventoried, a 12.0% share that puts it well above the national rate of about 7%.
- 3 of the 25 bridges in Kodiak Island Borough, Alaska, are rated in poor condition (12.0%) in the 2025 National Bridge Inventory, as of .
- 8 bridges (32.0%) are rated good and 14 (56.0%) fair.
- The median Kodiak Island Borough bridge was built in 1974.
- The busiest poor-rated bridge is Rezanof Drive over Sargent Creek (built 1980), carrying about 2,790 vehicles a day.
Good 32.0% · Fair 56.0% · Poor 12.0% of 25 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rezanof Drive over Sargent Creek | 1980 | 2,790 | Poor |
| Rezanof Drive over Russian River | 1980 | 1,770 | Poor |
| Chiniak Highway over Salt Creek | 1974 | 600 | Poor |
Busiest bridges in the county
| 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 American River | 1974 | 600 | Fair |
| Chiniak Highway over Salt Creek | 1974 | 600 | Poor |
| Chiniak Highway over Small Creek | 1974 | 600 | Fair |
| Chiniak Highway over Salonie Creek No. 1 | 1980 | 600 | Fair |
| Chiniak Highway over Deadman Creek | 1974 | 470 | Fair |
| Chiniak Highway over Olds River | 1974 | 470 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Alaska: Alaska bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.