This picture explains why a span is made of girders on this bridge. The bridge is across the national waterway. A boat pulls some marine equipment through the national waterway. See the height of the roof of the boat. It cannot pass under the concrete girders (Jimmy Jose)

Date: 2010-09-27
Owner: Jimmy Jose
Size:
Full size: 1024x768
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DSCF1078a
Photo Properties
Summary  Details
Make FUJIFILM Model FinePix HS10 HS11
Aperture Value f/6.5 Color Space sRGB
Exposure Program Program Flash No Flash
ISO 100 Metering Mode Multi-Segment
Shutter Speed Value 1/590 sec Date/Time 2010 Sep 27 12:09:23 +0100
Comments
but i guess much more bigger boats can pass the bridge unless its a bascule one.
Posted by Deepak Murali on 2010 Oct 03 10:15:41 +0100
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