Bridge conditions in Sitka City and Borough, Alaska
36 inventoried bridges · 1 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 36 bridges in Sitka City and Borough: 15 rated good, 20 fair, and 1 poor.
- 1 of the 36 bridges in Sitka City and Borough, Alaska, are rated in poor condition (2.8%) in the 2025 National Bridge Inventory, as of .
- 15 bridges (41.7%) are rated good and 20 (55.6%) fair.
- The median Sitka City and Borough bridge was built in 1990.
Good 41.7% · Fair 55.6% · Poor 2.8% of 36 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 |
|---|---|---|---|
| Logging Road over Corner Creek Trib | 1974 | – | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sawmill CR Road over Indian River | 2007 | 7,870 | Good |
| Halibut Point Road over Cascade Creek | 1937 | 4,790 | Fair |
| Harbor Drive over Sitka Harbor | 1971 | 3,600 | Fair |
| Halibut Point Road over Granite Creek | 2014 | 2,700 | Fair |
| Halibut Point Road over No Name Creek | 2014 | 1,360 | Fair |
| Halibut Point Road over Starrigavan Creek | 1983 | 560 | Fair |
| Sawmill CR Road over Sawmill Creek | 1962 | 117 | Fair |
| Road over No Data Entered | 2002 | 99 | Good |
| Marine Hwy Route over Sitka Ferry Terminal | 1988 | 45 | Fair |
| No Data Entered over Slide | 2002 | 30 | 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.