| Carries | Crosses | Location | Design | Status | Year Built | Year Recon. | Span Len. | Total Len. | Condition | Suff. Rating | ID | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NBI report | MARINE HWY ROUTE | UNALASKA CITY DOCK | UNALASKA | Wood Stringer/Multi-beam or girder (10 spans) | -- | 1965 | -- | 15.1 | 299.9 | Fair | 76.6 | 1824 |
| NBI report | MARINE HWY ROUTE | COLD BAY DOCK | COLD BAY | Prestressed Slab (4 spans) | -- | 1980 | -- | 24.0 | 1824.2 | Poor | 45.5 | 1755 |
| NBI report | IRR:5TH STREET | ILIULIUK RIVER | MILE POINT 0.1 | Prestressed Tee beam | -- | 1983 | -- | 97.4 | 100.1 | Fair | 71.8 | 1407 |
| NBI report | MARINE HWY ROUTE | SAND POINT CITY DOCK | SAND POINT | Concrete Girder and floorbeam system (10 spans) | -- | 1983 | -- | 20.0 | 200.1 | Poor | 60.2 | 1756 |
| NBI report | IRR:AIRFIELD ROAD | ROUND TOP VALLEY CREEK | FALSE PASS | Wood Stringer/Multi-beam or girder (3 spans) | -- | 1989 | -- | 39.7 | 120.1 | Fair | 78.0 | 1536 |
| NBI report Bridgehunter | FROSTY ROAD | THIRD CREEK | IZEMBEK NWR | Wood Stringer/Multi-beam or girder | -- | 1991 | -- | 30.8 | 33.1 | Fair | 68.8 | 000074520-00032 |
| NBI report | IRR:MARINE HWY RT | FALSE PASS DOCK | FALSE PASS | Wood Stringer/Multi-beam or girder (5 spans) | -- | 1992 | -- | 29.9 | 490.2 | Fair | 79.6 | 1945 |
| NBI report | IRR:MARINE HWY RT | AKUTAN CITY DOCK | AKUTAN | Concrete Girder and floorbeam system (5 spans) | -- | 1992 | -- | 20.0 | 103.0 | Fair | 55.6 | 1946 |
| NBI report | IRR: DOCK ROAD | KING COVE ACCESS BRIDGE | KING COVE | Steel Stringer/Multi-beam or girder | -- | 1995 | -- | 40.0 | 47.9 | Fair | 69.7 | 1890 |
| NBI report | IRR:DOCK STREET | ATKA DOCK CREEK | ATKA VILLAGE | Wood Stringer/Multi-beam or girder | -- | 1997 | -- | 88.6 | 89.2 | Good | 85.0 | 1953 |
| NBI report | LOCAL ROAD | HUMBOLT SLOUGH | SAND POINT | Steel Stringer/Multi-beam or girder | -- | 1998 | -- | 85.0 | 89.9 | Fair | 84.6 | 1972 |
| NBI report | FROSTY ROAD | FROSTY CREEK | IZEMBEK NWR | Steel Stringer/Multi-beam or girder | -- | 1999 | -- | 43.0 | 46.9 | Good | 77.9 | 000074520-00030 |
| NBI report | IRR:KELTY FIELD RD | KELTY FIELD | UNALASKA | Steel Culvert | -- | 1999 | -- | 24.9 | 24.9 | Good | 91.9 | 4045 |
| NBI report | CAPTAINS BAY ROAD | PYRAMID CREEK | MILE POINT 2.0 | Steel Stringer/Multi-beam or girder | -- | 2001 | -- | 38.1 | 40.0 | Good | 94.5 | 1435 |
| NBI report | IRR:KNG COVE HBR | KING COVE LAGOON | KING COVE | Wood Stringer/Multi-beam or girder (16 spans) | -- | 2002 | -- | 17.1 | 276.3 | Fair | 87.5 | 1303 |
| NBI report | IRR:STEWARD ROAD | UNALASKA CREEK | MILE POINT 0.6 | Steel Stringer/Multi-beam or girder | -- | 2006 | -- | 78.1 | 80.1 | Good | 100.0 | 1531 |
| NBI report | KING COVE ACCESS | BARNEY CREEK | MILE POINT 8.6 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2006 | -- | 40.0 | 100.1 | Fair | 74.3 | 2213 |
| NBI report | KING COVE ACCESS | DELTA CREEK TRIBUTARY | MILE POINT 2.5 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2006 | -- | 40.0 | 120.1 | Fair | 73.8 | 2216 |
| NBI report | KING COVE ACCESS | DELTA CREEK | MILE POINT 0.1 | Steel Stringer/Multi-beam or girder (3 spans) | -- | 2006 | -- | 40.0 | 100.1 | Fair | 73.8 | 2220 |
| NBI report | LANDFILL ACCESS RD | UNGAMAN CREEK | FALSE PASS | Steel Truss - Thru | -- | 2006 | -- | 100.1 | 100.1 | Good | 73.5 | 2196 |
| NBI report | DOCK ACCESS ROAD | BREACH BRIDGE | MILE POINT 0.4 | Prestressed Tee beam | -- | 2008 | -- | 69.9 | 85.3 | Good | 89.7 | 2261 |
| NBI report | IRR:AIRPORT BEACH | SOUTH CHANNEL UNALASKA | MILE POINT 0.7 | Prestressed Tee beam (5 spans) | -- | 2008 | -- | 140.1 | 700.2 | Good | 74.0 | 1386 |
| NBI report | IRR:SUMMER BAY RD | SUMMER BAY CREEK | MILE POINT 0.1 | Steel Stringer/Multi-beam or girder | -- | 2014 | -- | 64.0 | 69.9 | Good | 89.9 | 1686 |