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John A. Weeks III
Sunday, March 14, 2010, 12:48:36 PM CDT
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Highways, Byways, And Bridge Photography
Running Slough Bridge
US-52 Mississippi River Crossing At Sabula
Sabula, Iowa

Savanna-Sabula Bridge

• Structure ID: NBI 000000000029950.
• Location: River Mile 537.8.
• River Elevation: 583 Feet.
• Highway: US-52, IA-64.
• Daily Traffic Count: 2,230 (2004).
• Bridge Type: Pratt Steel Truss Through Deck.
• Length: 342 Feet, 121 Foot Longest Span.
• Width: 20 Feet, 2 Lanes.
• Navigation Channel Width: Non-Navigable.
• Height Above Water: 12 Feet.
• Date Built: Opened 1932, Dedicated August 1933, Rebuilt 1985.
Thirty years ago, these smaller truss bridges were a common sight on rural highways. They were light weight and inexpensive to build. But they were expensive to maintain, and ever increasing truck traffic could pound them to bits relatively quickly. As a result, we have seen nearly all of these smaller truss bridges be replaced by very boring looking concrete or steel girder bridges.

This bridge is probably safe for a number of years in the future. It has relatively little traffic, and it is still in relatively good condition having been rebuilt in 1985. It would be nice to save at least a few of these smaller steel truss bridges.


Savanna-Sabula Bridge

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