Main Street Bridge - Jacksonville, FL
Posted by: Groundspeak Premium Member Marine Biologist
N 30° 19.447 W 081° 39.515
17R E 436687 N 3354884
Quick Description: The massive Main Street Bridge, measuring 1,680 feet in length with 14 spans, has become a landmark in downtown Jacksonville, Florida, USA.
Location: Florida, United States
Date Posted: 11/28/2007 1:40:20 PM
Waymark Code: WM2NZT
Published By: Groundspeak Regular Member trekinldy59
Views: 97

Long Description:

The bridge was built at the end of the 1930s and opened in July 1941 at a cost of $1.5 million. In 1957, it was named after Mayor John T. Alsop, Jr., but continues to be known, even on road signs, as the Main Street Bridge.

The bridge is made of 11 steel stringer spans and three Warren through trusses. The 365-foot long continuous truss vertical lift span at the center is the longest in Florida. The span-drive system, which puts the drive machinery on the movable span, utilizes concrete counterweights enclosed within two large steel frame towers. Although builders emphasized functional considerations, the bridge produces an aesthetic effect through its strength, powerful 200-foot high lift towers, and graceful reach across the St. Johns River.

Parking Coordinates:: N 30° 19.470 W 081° 39.493

Date Built: 07/01/1941

Length of Span:
1,680 feet


www:
http://www.dot.state.fl.us/structures/botm/mainstreet/mainstreet.htm


Visit Instructions:
Log your find with a picture of the bridge with yourself or your GPS in the foreground. This shot does not have to be taken "on" the bridge. The shot should show the "truss" structure of the bridge as well.
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