A couple of bridges 2

[JAE]

The first is the Williamsburg Bridge in NY (East River bridge from Brooklyn) under construction in 1902.

Just thought it was a very interesting pic. (from

http://www.shorpy.com)

 

[JAE]

The second: Circa 1905. "Aerial bridge. Duluth, Minnesota." Suspended Car Transfer over the Duluth Ship Canal. The gondola could carry 60 tons of cargo across the 300-foot channel with minimal obstruction of the shipping lane. After modification for service as a vertical lift, the span became known as the Aerial Lift Bridge.

 

[jike]

Great pictures!

Thanks!

 

[HgTX]

Cool!!

Hg


Eng-Tips policies: faq731-376

 

[MikeHalloran]

This page:

http://www.duluth.lib.mn.us/History/Bridge.html

includes a colored photograph showing what I think are faux sidewheels on the gondola of the transfer bridge.

I wonder how it was actually propelled.





Mike Halloran
Pembroke Pines, FL, USA

 

[JAE]

Nice link, Mike.

 

[MikeHalloran]

I got curious.

It's a curse.



Mike Halloran
Pembroke Pines, FL, USA

 

[civeng80]

Amazing Structures built by men of steel.

 

[LittleWheels]

The Aerial Bridge looks a lot like Transporter Bridges (mostly in Europe), first built in 1893.

http://en.wikipedia.org/wiki/Transporter_bridge

I understand that the Newport Transporter Bridge was recently closed and is unlikely to be refurbished for quite a while, if ever.