Interestingly enough, there were a lot of concrete arch bridges built on Hwy. Not being an engineer, I can't help but wonder if the excessive width of the truss compared to the height was a contributing factor? Washington State is not the only place where they built truss bridges with barely sufficient clearance over the roadway, but they sure seemed to put a lot of them on Hwy. Substructure condition rating: Satisfactory (6 out of 9)ĭeck condition rating: Satisfactory (6 out of 9) Superstructure condition rating: Fair (5 out of 9) above sea level Average daily traffic (as of 2012) 70,948 Inventory number BH 34493 ( ID) Inspection report (as of June 2017) Overall condition: Fair O'Connell Jr Memorial Bridge Approximate latitude, longitude +48.44481, -122.34110 (decimal degrees)Ĥ8☂6'41" N, 122☂0'28" W (degrees°minutes'seconds") Approximate UTM coordinates 10/548726/5365950 (zone/easting/northing) Quadrangle map: Mount Vernon Elevation 56 ft. The bridge also has four curved t-beam approach spans at the each end of the bridge. The intermediate end posts are all vertical. The truss features inclined end posts at the extreme southern and northern ends of the truss portion of the bridge. Poole, McGonigle, and Dick of Portland, Oregon (Fabricator)ĭesign Four simple span Warren through trusses. One span collapsed May 23, 2013, Reopened with a temporary span on June 19, 2013, temporary span replaced on 15 September, 2013 and now open to traffic Builders - Acrow Corporation of America of Parsippany, New Jersey (2013 Temporary Span Fabricator) Facts Overview Through truss bridge over Skagit River on I-5 in Mount Vernon Location Skagit County, Washington Status One span collapsed May 23, 2013, Reopened with temporary span Jtemporary span replaced with a permanent span on 15 September, 2013 and now open to traffic History Built 1955.
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