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Union Slough Bridge

Snohomish County, Washington
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Union Slough Bridge

View from Southeast

Photo taken by K. A. Erickson in April 2011

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Map 

Street View 

View Uglybridges.com report

Facts 

Overview
Concrete tee beam bridge over Union Slough on WA 529
Location
Everett, Snohomish County, Washington
Status
Open to traffic
History
Built 1954
Design
Concrete tee beam
Dimensions
Length of largest span: 62.0 ft.
Total length: 632.9 ft.
Deck width: 27.9 ft.
Approximate latitude, longitude
+48.03167, -122.18167   (decimal degrees)
48°01'54" N, 122°10'54" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/561006/5320143 (zone/easting/northing)
USGS topographic map
Marysville
Inventory number
BH 48608 (Bridgehunter.com ID)
Inspection (as of 07/2011)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 38.0 (out of 100)
Average daily traffic (as of 2010)
15,487

Categories 

Beam (6,056)
Built 1954 (229)
Built during 1950s (2,383)
Concrete tee beam (1,081)
Continuous (902)
Everett, Washington (10)
Functionally obsolete (7,040)
Have street view (9,908)
 Open (28,319)
Owned by state (9,811)
Snohomish County, Washington (69)
Span length 50-75 feet (6,996)
Total length 500-1000 feet (1,805)
US 99 (68)
Washington (844)

Update Log 

  • April 12, 2011: Added by K. A. Erickson

Sources 

  • K. A. Erickson
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Comments 

Union Slough Bridge
Posted June 16, 2012, by Daryl Mills (greimatter [at] comcast [dot] net)

Check that! This one was built in 1954 as part of the US 99 expressway constructed through this area. The 1927 twin to this was the original US 99 routing two lane.

Union Slough Bridge
Posted June 16, 2012, by Daryl Mills (greimatter [at] comcast [dot] net)

Originally designed for Northbound and Southbound traffic on US 99. Prior to this, US 99 was routed to the east to avoid the water crossings. This alignment lines up with a northerly swing span leading into Marysville, which is now replaced and scheduled for demolition.