Historic Bridges of the U.S.

Photos

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Side view

Photos taken by Jason Smith

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South portal

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View from south

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Joint between diagonals

Vicinity map

Map links:

Overview: Through truss bridge over Little Sioux River on 355th Street (Thunder Bridge Road) just off 4th Street in Spencer
Location: Spencer, Clay County, Iowa
Status: Open to one-lane traffic
History: Built 1905
Design: Pin-connected, 10-panel Pennsylvania through truss
Dimensions: Total length: 180.5 ft.
Deck width: 16.0 ft.
Approximate latitude, longitude: +43.14287, -95.17300 (decimal degrees)
43°08'34" N, 95°10'23" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/323290/4778972 (zone/easting/northing)
USGS topographic map: Spencer
Inventory number: BH 13168 (Bridgehunter.com ID)