US Bridges

Dillingham Census Area, Alaska bridges

Dillingham Census Area has 3 bridges and culverts in the National Bridge Inventory, the oldest built in 1980. 2 (67%) are rated poor. The most common type is stringer/multi-beam or girder (100%).

Bridges
3
Good
33%
Fair
0%
Poor
67%
2 bridges
Average age
33.3 yrs
Posted or closed
2

Map of bridges in Dillingham Census Area

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

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Condition

67%poor
Good33%(1)
Fair0%(0)
Poor67%(2)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 0 bridges19201930s: 0 bridges19301940s: 0 bridges19401950s: 0 bridges19501960s: 0 bridges19601970s: 0 bridges19701980s: 2 bridges219801990s: 0 bridges19902000s: 0 bridges20002010s: 1 bridges120102020s: 0 bridges2020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. Irr:suravak Road over Wood River
    340 vehicles/day
    Good
  2. Irr:airport Road over Unnamed Creek Koliganek
    50 vehicles/day
    Poor
  3. Irr:kolgnk Dump RD over Unnamed Creek
    10 vehicles/day
    Poor

Longest

  1. Irr:suravak Road over Wood River
    440 ft
    Good
  2. Irr:kolgnk Dump RD over Unnamed Creek
    41 ft
    Poor
  3. Irr:airport Road over Unnamed Creek Koliganek
    40 ft
    Poor

Oldest

  1. Irr:airport Road over Unnamed Creek Koliganek
    Built 1980
    Poor
  2. Irr:kolgnk Dump RD over Unnamed Creek
    Built 1980
    Poor
  3. Irr:suravak Road over Wood River
    Built 2015
    Good

All bridges in Dillingham Census Area

Busiest first · showing 1–3 of 3
Bridges in Dillingham Census Area
BridgeLocationBuiltTypeLengthDaily trafficCondition
Irr:suravak Road over Wood River
No. 1902
Aleknagik2015Stringer/Multi-beam or Girder440 ft340Good
Irr:airport Road over Unnamed Creek Koliganek
No. 1556
Koliganek1980Stringer/Multi-beam or Girder40 ft50Poor
Irr:kolgnk Dump RD over Unnamed Creek
No. 1835
Koliganek1980Stringer/Multi-beam or Girder41 ft10Poor

Structure types in Dillingham Census Area

Stringer/Multi-beam or Girder3100.0%

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