A handful of good fast prototype price images I discovered:
Astoria Scum River Bridge
Image by jasoneppink
For much more than twenty years, a leaky pipe on 33rd Street beneath the Hell Gate Bridge viaduct approach submerged more than a hundred square feet of heavily-trafficked sidewalk under a festering cesspool of standing water. Astoria Scum River, as it was called, stretched the entire width of the sidewalk, and as winter approached, the river iced more than and became especially hazardous to cross.
Astoria Scum River Bridge was constructed to provide Astorians an chance to safely cross this hazard. The unauthorized bridge was a gift to the pedestrians of Astoria in the absence of successful municipal efforts to ameliorate the dilemma.
The bridge was made at zero expense completely from recycled materials: an old function bench located on the curb, rescued screws from a disassembled desk, and a metal plate from an expired electrical element. It was installed and dedicated on December 30th, 2009.
On January 25th, 2010, Astoria Scum River Bridge was the subject of a commendation from the office of NYC Council Member Peter F. Vallone, Jr., accompanied by a pledge to perform with Amtrak to re-route Astoria Scum River off the sidewalk.
Two days later, Amtrak workers started construction operate. Astoria Scum River was speedily routed off the sidewalk, and inside a couple months, custom-produced grates had been installed to comprehensive the project. The bridge, no longer necessary, was de-installed on March 20th, 2010 and returned to the curb whence it came.