Dyea Road over Taiya River
Skagway Municipality, Alaska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Dyea Road over Taiya River in Skagway Municipality, Alaska, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1948 and reconstructed in 2011, making it 77 years old at the 2025 inventory.
- It carries about 238 vehicles a day (traffic count year 2018).
- Its listed owner is the state 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.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 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 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 → (59.51226, -135.34716)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 9 | Excellent condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel through truss |
| Length | about 204 ft |
| Location | Mile Point 7.1 |
| NBI structure number | 0309 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 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 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 Rd Extension over West Creek | 1992 | 238 | Fair |
| Dyea Road over Nelson Slough | 1998 | 10 | 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.