Marine Hwy Route over Sitka Ferry Terminal
Sitka City and Borough, Alaska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Marine Hwy Route over Sitka Ferry Terminal in Sitka City and Borough, Alaska, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1988, making it 37 years old at the 2025 inventory.
- It carries about 45 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 20 of the 36 inventoried bridges in Sitka City and Borough rated fair (55.6%); 1 (2.8%) 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.
View this bridge on a map → (57.12921, -135.38144)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Steel multiple box beam |
| Length | about 167 ft |
| Location | Sitka |
| NBI structure number | 0806 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alaska department of transportation.
Busiest bridges in Sitka City and Borough
| 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 |
All bridges nearby: Sitka City and Borough, AK bridge conditions · every bridge in Sitka City and Borough · Alaska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.