Dyea Road over Nelson Slough
Skagway Municipality, Alaska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Dyea Road over Nelson Slough in Skagway Municipality, Alaska, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1998, making it 27 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 2018).
- Its listed owner is a city or municipal highway agency.
- It is one of 5 of the 6 inventoried bridges in Skagway Municipality rated fair (83.3%); 1 (16.7%) 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 → (59.49737, -135.36129)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Timber slab |
| Length | about 76 ft |
| Location | Mile Point 9.0 |
| NBI structure number | 1891 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alaska department of transportation.
Busiest bridges in Skagway Municipality
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Klondike Highway over Skagway River | 1974 | 1,200 | Fair |
| Marine Hwy Route over Skagway Ferry Terminal | 1980 | 947 | Poor |
| Klondike Highway over Captain Wm Moore Creek | 2019 | 410 | Fair |
| Dyea Road over Taiya River | 1948 | 238 | Fair |
| Dyea Rd Extension over West Creek | 1992 | 238 | Fair |
All bridges nearby: Skagway Municipality, AK bridge conditions · every bridge in Skagway Municipality · Alaska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.