Orthotropic bridges in Alaska
A stiffened steel plate deck that acts together with the supporting girders, used on long-span bridges. Alaska has 5 of them, 0.3% of its bridges. Nationally this type accounts for 0.0% of all bridges.Compare states for this type.
- Orthotropic bridges
- 5
- Poor condition
- 20%
- 1 bridges
- Average age
- 42.2 yrs
- Combined length
- 1 mi
Busiest orthotropic bridges in Alaska
Top 5 by daily traffic| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| Ferry Shuttle RTE over Revilla Airport F.T. I No. 1819 | Ketchikan Gateway Borough | Ketchikan | 1988 | Orthotropic | 168 ft | 1,023 | Fair |
| Marine HWY Route over Skagway Ferry Terminal No. 0805 | Skagway Municipality | Skagway | 1980 | Orthotropic | 175 ft | 947 | Poor |
| Ferry Shuttle RTE over Gravina Airport F.T. I No. 0176 | Ketchikan Gateway Borough | Ketchikan Airport | 1998 | Orthotropic | 162 ft | 348 | Fair |
| Dalton Highway over Yukon River No. 0271 | Yukon-Koyukuk Census Area | Mile Point 55.8 | 1975 | Orthotropic | 2,295 ft | 140 | Fair |
| Irr:marine HWY RTE over Metlakatla Ferry Term No. 0178 | Prince of Wales-Hyder Census Area | Metlakatla | 1973 | Orthotropic | 166 ft | 100 | Fair |
Counties with the most
| Ketchikan Gateway Borough | 2 |
| Prince of Wales-Hyder Census Area | 1 |
| Skagway Municipality | 1 |
| Yukon-Koyukuk Census Area | 1 |
Looking for a specific bridge? Use the search on the Alaska page and filter by type.