US Bridges

Northwest Arctic Borough, Alaska bridges

Northwest Arctic Borough has 7 bridges and culverts in the National Bridge Inventory, the oldest built in 1979. 1 (14%) are rated poor. The most common type is stringer/multi-beam or girder (71%).

Bridges
7
Good
29%
Fair
57%
Poor
14%
1 bridges
Average age
25.1 yrs
Posted or closed
0

Map of bridges in Northwest Arctic Borough

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

Search bridges in Northwest Arctic Borough

Type at least two characters, or pick a condition or type, to search every bridge in the county.

Condition

14%poor
Good29%(2)
Fair57%(4)
Poor14%(1)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 0 bridges19201930s: 0 bridges19301940s: 0 bridges19401950s: 0 bridges19501960s: 0 bridges19601970s: 1 bridges119701980s: 2 bridges219801990s: 0 bridges19902000s: 0 bridges20002010s: 3 bridges320102020s: 1 bridges12020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. Ted Stevens Way over Kotzebue Slough
    320 vehicles/day
    Fair
  2. Ted Stevens Way over Swan Lake
    320 vehicles/day
    Fair
  3. Ted Stevens Way over June Creek Culverts
    100 vehicles/day
    Poor
  4. Ted Stevens Way over June Creek Culvert
    100 vehicles/day
    Fair
  5. Irr:deering Road over Smith Creek
    18 vehicles/day
    Fair

Longest

  1. South Access Route over Kivalina Lagoon Channel
    188 ft
    Good
  2. Ted Stevens Way over Kotzebue Slough
    180 ft
    Fair
  3. Irr:deering Road over Smith Creek
    116 ft
    Fair
  4. Ted Stevens Way over June Creek Culverts
    55 ft
    Poor
  5. IRR BIA RTE 2800 over Dahl Creek
    40 ft
    Good

Oldest

  1. Irr:deering Road over Smith Creek
    Built 1979
    Fair
  2. Ted Stevens Way over Kotzebue Slough
    Built 1985
    Fair
  3. Ted Stevens Way over Swan Lake
    Built 1985
    Fair
  4. Ted Stevens Way over June Creek Culverts
    Built 2010
    Poor
  5. Ted Stevens Way over June Creek Culvert
    Built 2010
    Fair

All bridges in Northwest Arctic Borough

Busiest first · showing 1–7 of 7
Bridges in Northwest Arctic Borough
BridgeLocationBuiltTypeLengthDaily trafficCondition
Ted Stevens Way over Kotzebue Slough
No. 1690
Mile Point 0.61985Stringer/Multi-beam or Girder180 ft320Fair
Ted Stevens Way over Swan Lake
No. 1691
Mile Point 0.31985Stringer/Multi-beam or Girder32 ft320Fair
Ted Stevens Way over June Creek Culverts
No. 4138
Mile Point 3.72010Culvert55 ft100Poor
Ted Stevens Way over June Creek Culvert
No. 4139
Mile Point 4.72010Culvert21 ft100Fair
Irr:deering Road over Smith Creek
No. 1098
Mile Point 25.71979Stringer/Multi-beam or Girder116 ft18Fair
South Access Route over Kivalina Lagoon Channel
No. 2344
Kivalina2020Stringer/Multi-beam or Girder188 ft18Good
IRR BIA RTE 2800 over Dahl Creek
No. 0000E04261T0590
12.2KM Northeast of Kobuk2010Stringer/Multi-beam or Girder40 ft5Good

Structure types in Northwest Arctic Borough

Stringer/Multi-beam or Girder571.4%
Culvert228.6%

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