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Homer M. Hadley Memorial Bridge

King County, Washington
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Map 

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Facts 

Overview
Pontoon bridge over Lake Washington on W.B. & Rev I-90
Location
Seattle, King County, Washington
Status
Open to traffic
History
Built 1989
Design
Pontoon
Dimensions
Length of largest span: 354.0 ft.
Total length: 5,737.2 ft. (1.1 mi.)
Deck width: 91.9 ft.
Recognition
Eligible for the National Register of Historic Places
Also called
Lake Washington Floating Bridge
Approximate latitude, longitude
+47.59028, -122.28250   (decimal degrees)
47°35'25" N, 122°16'57" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/553944/5271012 (zone/easting/northing)
USGS topographic map
Seattle South
Inventory number
BH 48139 (Bridgehunter.com ID)
Inspection (as of 08/2011)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 38.8 (out of 100)
Average daily traffic (as of 2010)
57,428

Categories 

Beam (6,048)
Built 1989 (35)
Built during 1980s (311)
Concrete stringer (271)
Floating (14)
King County, Washington (141)
Modern (605)
NR-eligible (3,749)
Open (28,313)
 Over a mile long (192)
Owned by state (9,808)
Pontoon (14)
Seattle, Washington (22)
Span length 250-500 feet (863)
Structurally deficient (16,679)
Total length over 2500 feet (587)
Washington (843)

Update Log 

  • February 15, 2011: Added by K. A. Erickson

Sources 

  • K. A. Erickson
  • Wikipedia - Homer M. Hadley Memorial Bridge
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Comments 

Lake Washington Bridge / Homer Hadley Bridge
Posted February 15, 2011, by K. A. Erickson

This is the Westbound portion of I-90 across Lake Washington. It was completed after three years of building. It is recognized as having historic qualities. Y'all can add Bing, Google, Alta Vista views and street images to hearts content.