Arunamarin Bridge
Memorial Bridge
Rama VIII Bridge
Phra Pin-klao Bridge
Half finished sidewalk with flower beds that take up half the walkway and really add nothing of value to the surrounding area, probably would be better if half the plants were dumped and seating of some sort put there for early evening people that want to take in the view and cooling breeze.
Krungthep Bridge
Rama VI Bridge & Rama VII Bridge
Getting to Thonburi is probably done best by using the BTS, there are 2 BTS stations now, Krung Thonburi and Wongwian Yai.
The Arunamarin Bridge is best known for being on Arun Amarin Road, yep, that's about it.
At least in the midday sun the underneath of the bridge can be used for shade.
Plenty of bedding plants and other worthless plants planted on the sidewalk, could think of better ways to make the bridge more attractive.

Lots of old Navy ships are kept down there on the river, also many that are usable are kept either side of this bridge, doubt if they are trying to protect it though, hardly a strategic position :)
Bangkok Bridges
Thonburi and Local Area Tourist Attractions