US Bridges

Island County, Washington bridges

Island County has 7 bridges and culverts in the National Bridge Inventory, the oldest built in 1935. None are rated poor. The most common type is movable - lift (43%).

Bridges
7
Good
29%
Fair
71%
Poor
0%
0 bridges
Average age
47.1 yrs
Posted or closed
0

Map of bridges in Island County

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

Search bridges in Island County

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

Condition

0%poor
Good29%(2)
Fair71%(5)
Poor0%(0)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 0 bridges19201930s: 2 bridges219301940s: 0 bridges19401950s: 0 bridges19501960s: 0 bridges19601970s: 1 bridges119701980s: 1 bridges119801990s: 0 bridges19902000s: 3 bridges320002010s: 0 bridges20102020s: 0 bridges2020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. SR 20 over State Park Road/Trail
    18,797 vehicles/day
    Good
  2. SR 20 over Deception Pass
    18,797 vehicles/day
    Fair
  3. SR 525 over Possession Sound
    13,078 vehicles/day
    Fair
  4. SR 525 over Possession Sound
    12,000 vehicles/day
    Fair
  5. SR 20 Extension over Keystone Harbor
    1,863 vehicles/day
    Fair

Longest

  1. SR 20 over Deception Pass
    976 ft
    Fair
  2. SR 525 over Possession Sound
    615 ft
    Fair
  3. E. Pioneer Way over Drainage Basin
    120 ft
    Fair
  4. SR 525 over Possession Sound
    105 ft
    Fair
  5. SR 20 Extension over Keystone Harbor
    105 ft
    Fair

Oldest

  1. SR 20 over State Park Road/Trail
    Built 1935
    Good
  2. SR 20 over Deception Pass
    Built 1935
    Fair
  3. SR 20 Extension over Keystone Harbor
    Built 1979
    Fair
  4. SR 525 over Possession Sound
    Built 1987
    Fair
  5. SR 525 over Possession Sound
    Built 2000
    Fair

All bridges in Island County

Busiest first · showing 1–7 of 7
Bridges in Island County
BridgeLocationBuiltTypeLengthDaily trafficCondition
SR 20 over State Park Road/Trail
No. 000000JG0000000
25.2 E JCT SR 5251935Slab21 ft18,797Good
SR 20 over Deception Pass
No. 0001929A0000000
25.4 E JCT SR 5251935Truss - Deck976 ft18,797Fair
SR 525 over Possession Sound
No. 0015461A0000000
1.9 N JCT SR 5262000Slab615 ft13,078Fair
SR 525 over Possession Sound
No. 0004101A0000000
1.9 N JCT SR 5261987Movable - Lift105 ft12,000Fair
SR 20 Extension over Keystone Harbor
No. 0001697A0000000
3.4 W JCT SR 5251979Movable - Lift105 ft1,863Fair
SR 525 over Possession Sound
No. 0016180A0000000
1.9 N JCT SR 5262003Movable - Lift105 ft1,078Good
E. Pioneer Way over Drainage Basin
No. 1WA203360
East of Oak Harbor2006Truss - Thru120 ft30Fair

Structure types in Island County

Movable - Lift342.9%
Slab228.6%
Truss - Thru114.3%
Truss - Deck114.3%

Other counties in Washington