Kodiak Island County Bridge Report Card
Kodiak Island County scores 35 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Kodiak Island County, Alaska
Kodiak Island County has 25 bridges in the National Bridge Inventory, with 3 rated poor and 6 rated scour-critical. Its poor-condition share of 12.0% is above the 7.5% statewide average. Poor-condition bridges carry about 5,160 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Kodiak Island County a Bridge Condition Exposure Score of 35/100 (F). The county has 25 bridges in the National Bridge Inventory, including 3 in poor condition and 6 rated scour-critical. Poor-condition bridges carry about 5,160 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 12.0% | 24.0 |
| Poor-condition traffic exposure | 25 | 27.8% of measured traffic | 20.9 |
| Scour-critical bridge share | 20 | 24.0% | 20.0 |
| Average age vs national baseline | 10 | 44 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 18,554 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 12.0% |
| State Poor-Condition Share | 7.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 24.0% |
| Average Bridge Age | 44 years |
| Poor-Condition Traffic Exposure | 5,160 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Kodiak Island County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Rezanof Drive over Sargent Creek | Poor condition + traffic exposure | Poor | 2,790 | 1980 |
| Rezanof Drive over Russian River | Poor condition + traffic exposure | Poor | 1,770 | 1980 |
| Chiniak Highway over Salt Creek | Poor condition + traffic exposure | Poor | 600 | 1974 |
| Chiniak Highway over American River | Scour-critical foundation rating | Fair | 600 | 1974 |
| Chiniak Highway over Small Creek | Scour-critical foundation rating | Fair | 600 | 1974 |
| Chiniak Highway over Deadman Creek | Scour-critical foundation rating | Fair | 470 | 1974 |
| Chiniak Highway over Olds River | Scour-critical foundation rating | Fair | 470 | 1974 |
| Anton Larsen Bay over Buskin River No 6 | Scour-critical foundation rating | Fair | 380 | 1980 |
| Monashka Bay Road over Monashka Creek | Scour-critical foundation rating | Fair | 220 | 1972 |
| Rezanof Drive over Buskin River No 5 | High traffic | Good | 5,150 | 1995 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.