Marine Hwy Route over Cold Bay Dock
Aleutians East Borough, Alaska · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Marine Hwy Route over Cold Bay Dock in Aleutians East Borough, Alaska, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1980, making it 45 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 3 of the 16 inventoried bridges in Aleutians East Borough rated poor (18.8%); 3 (18.8%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: deck 5 to 6.
- Status change: newly posted for load since 2024.
- Its most recent inspection on record is dated August 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (55.20734, -162.69592)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 6 | Satisfactory condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 1,824 ft |
| Location | Cold Bay |
| NBI structure number | 1755 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alaska department of transportation.
Busiest bridges in Aleutians East Borough
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Irr:kng Cove Hbr over King Cove Lagoon | 2002 | 150 | Fair |
| Irr: Dock Road over King Cove Access Bridge | 1995 | 150 | Poor |
| Rams Creek Road over Rams Creek | 2009 | 150 | Good |
| King Cove Access over Delta Creek Tributary | 2006 | 150 | Fair |
| King Cove Access over Delta Creek | 2006 | 150 | Fair |
| King Cove Access over Barney Creek | 2006 | 100 | Fair |
All bridges nearby: Aleutians East Borough, AK bridge conditions · every bridge in Aleutians East Borough · Alaska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.