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Overall View Of Bridge And County Road, Looking Southeast Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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Overall View Of Bridge, With Timber Stringer West Approach In Foreground, Looking East Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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View Of South Web And West Portal Of Bridge, Looking Northeast Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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View Of South Web And East Portal Of Bridge, Looking North Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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View Showing West Portal Of Bridge, Looking Southeast Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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Detail View Of Bridge Deck, Showing Verticals, Diagonals And Upper Chords, Looking Northwest Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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View Showing West Portal Of Bridge, Looking Northwest Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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View Of Underside Of Bridge, Showing Lower Chords And Floor System, Looking North Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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Detail View Of Typical Lower Chord/Vertical Connection, Looking East Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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View Of Concrete-Filled Steel Cylinder Piers At Truss West End, Looking South Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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Detail View Of Steel Cylinder Piers And Typical Truss-Bearing Shoe, Looking South Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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Detail View Of Top Of Steel Cylinder Pier, Showing Inscription In Concrete By W. T. Mcroberts, Looking North Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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Detail View Of Deck, Showing Typical Vertical And Diagonals, Looking Southwest Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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Detail View Showing Typical Timber Pile Bent And Deck Of Timber Stringer West Approach, Looking South Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
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Detail View Of Upper Chord/Hip Vertical Connection, Looking East Photo taken by Clayton B. Fraser, Fraserdesign, October 1991, for HAER |
"Fabricated and erected in 1911, the Waverly Junction Bridge (called locally Dix's Bridge) ranks among Iowa's earliest rigid-connected highway trusses. The structure's concrete-filled steel cylinder piers, curved portal knee braces, and threaded-rod lateral bracing are typical features of pinned trusses generally built prior to 1910. The composition of the bridge's web members, their connecting gusset plates and the method of field-bolting, on the other hand, are representative of early rigid-connected trusses. These features distinguish the Waverly Junction Bridge as a transitional between the two technologies: a significant and uncommon structure in Iowa's bridge building history.
"The Historic American Engineering Record (HAER) documentation for the Waverly Junction Bridge was conducted by Fraserdesign of Loveland, Colorado, under contract with Bremer County, Iowa. The county has proposed replacement of the structure and this recordation is intended to mitigate in part the impact on the bridge by this action."
Carl W. McWilliams
Fraserdesign
Loveland, Colorado
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