Dangerous River Rd over Ahrnklin River
Yakutat City and Borough, Alaska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Dangerous River Rd over Ahrnklin River in Yakutat City and Borough, 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 1974, making it 51 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 6 of the 16 inventoried bridges in Yakutat City and Borough rated fair (37.5%); 3 (18.8%) 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 → (59.46076, -139.10283)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 160 ft |
| Location | Mile Point 24.8 |
| NBI structure number | 1229 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alaska department of transportation.
Busiest bridges in Yakutat City and Borough
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Airport Rd Yakutat over Ophir Creek | 1998 | 960 | Good |
| Sandy Beach Road over Yakutat City Dock | 1981 | 926 | Fair |
| Irr:ocean Cape Rd over Ankau Slough | 1961 | 457 | Poor |
| Irr:lost River Rd over Lost River | 1985 | 100 | Fair |
| Dangerous River Rd over Situk River | 1966 | 40 | Fair |
| Dangerous River Rd over Antlen River | 1974 | 40 | Good |
All bridges nearby: Yakutat City and Borough, AK bridge conditions · every bridge in Yakutat City and Borough · Alaska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.