US Bridges

Aleutians West Census Area, Alaska bridges

Aleutians West Census Area has 8 bridges and culverts in the National Bridge Inventory, the oldest built in 1983. None are rated poor. The most common type is stringer/multi-beam or girder (63%).

Bridges
8
Good
75%
Fair
25%
Poor
0%
0 bridges
Average age
22.3 yrs
Posted or closed
3

Map of bridges in Aleutians West Census Area

Green good, amber fair, red poor. Click a marker for details.

Search bridges in Aleutians West Census Area

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Condition

0%poor
Good75%(6)
Fair25%(2)
Poor0%(0)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 0 bridges19201930s: 0 bridges19301940s: 0 bridges19401950s: 0 bridges19501960s: 0 bridges19601970s: 0 bridges19701980s: 1 bridges119801990s: 2 bridges219902000s: 3 bridges320002010s: 2 bridges220102020s: 0 bridges2020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. Irr:airport Beach over South Channel Unalaska
    3,450 vehicles/day
    Good
  2. IRR:5th Street over Iliuliuk River
    2,750 vehicles/day
    Fair
  3. Irr:steward Road over Unalaska Creek
    2,333 vehicles/day
    Good
  4. Captains Bay Road over Pyramid Creek
    976 vehicles/day
    Fair
  5. Irr:summer Bay RD over Summer Bay Creek
    400 vehicles/day
    Good

Longest

  1. Irr:airport Beach over South Channel Unalaska
    700 ft
    Good
  2. IRR:5th Street over Iliuliuk River
    100 ft
    Fair
  3. Irr:dock Street over Atka Dock Creek
    89 ft
    Good
  4. Irr:steward Road over Unalaska Creek
    80 ft
    Good
  5. Summers Bay Road over Summers Bay Creek
    71 ft
    Good

Oldest

  1. IRR:5th Street over Iliuliuk River
    Built 1983
    Fair
  2. Irr:dock Street over Atka Dock Creek
    Built 1997
    Good
  3. Irr:kelty Field RD over Kelty Field
    Built 1999
    Good
  4. Captains Bay Road over Pyramid Creek
    Built 2001
    Fair
  5. Irr:steward Road over Unalaska Creek
    Built 2006
    Good

All bridges in Aleutians West Census Area

Busiest first · showing 1–8 of 8
Bridges in Aleutians West Census Area
BridgeLocationBuiltTypeLengthDaily trafficCondition
Irr:airport Beach over South Channel Unalaska
No. 1386
Mile Point 0.72008Tee Beam700 ft3,450Good
IRR:5th Street over Iliuliuk River
No. 1407
Mile Point 0.11983Tee Beam100 ft2,750Fair
Irr:steward Road over Unalaska Creek
No. 1531
Mile Point 0.62006Stringer/Multi-beam or Girder80 ft2,333Good
Captains Bay Road over Pyramid Creek
No. 1435
Mile Point 2.02001Stringer/Multi-beam or Girder40 ft976Fair
Irr:summer Bay RD over Summer Bay Creek
No. 1686
Mile Point 0.12014Stringer/Multi-beam or Girder70 ft400Good
Irr:kelty Field RD over Kelty Field
No. 4045
Unalaska1999Culvert25 ft30Good
Summers Bay Road over Summers Bay Creek
No. 0000E01510T0020
6.4 KM North of Unalaska2014Stringer/Multi-beam or Girder71 ft20Good
Irr:dock Street over Atka Dock Creek
No. 1953
Atka Village1997Stringer/Multi-beam or Girder89 ft20Good

Structure types in Aleutians West Census Area

Stringer/Multi-beam or Girder562.5%
Tee Beam225.0%
Culvert112.5%

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