Every bridge in North Slope Borough, Alaska
16 inventoried bridges, busiest first
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- North Slope Borough, Alaska, has 16 bridges in the 2025 National Bridge Inventory: 10 rated good, 5 fair, and 1 poor (as of ).
- This index lists every one of them, busiest first; each links to its own condition record.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Dalton Highway over Atigun River No. 1 | 2000 | 130 | Good |
| Dalton Highway over Atigun River No. 2 | 2000 | 130 | Good |
| Dalton Highway over Dan Creek | 1982 | 130 | Fair |
| Dalton Highway over Holden Creek | 2013 | 130 | Good |
| Dalton Highway over Kuparuk River | 1994 | 130 | Fair |
| Dalton Highway over Marx Creek | 1972 | 130 | Fair |
| Dalton Highway over Oksrukuyik Creek No. 1 | 2012 | 130 | Good |
| Dalton Highway over Oksrukuyik Creek No. 2 | 2011 | 130 | Good |
| Dalton Highway over Roche Moutonnee Creek | 2017 | 130 | Good |
| Dalton Highway over Trevor Creek | 1982 | 130 | Fair |
| Dalton Highway over Spike Camp Creek North | 1995 | 110 | Good |
| Dalton Highway over Spike Camp Creek South | 1995 | 110 | Good |
| Dalton Highway over West Fork N Fk Chandalar | 1982 | 110 | Fair |
| Dalton Highway over Happy Valley Creek | 1995 | 90 | Good |
| Irr:main Street over Big Contact Creek | 2013 | 50 | Good |
| Irr Bia Rte 002 over Unnamed Stream | 1980 | – | Poor |
Source: FHWA National Bridge Inventory, 2025.
North Slope Borough bridge conditions · Alaska bridges by county.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.