Detail, 18th St. Railroad Bridge, Chicago 2001

Detail, 18th St. Railroad Bridge, Chicago 2001

Counterweights, 18th St. Railroad Bridge, Chicago 2001

Counterweights, 18th St. Railroad Bridge, Chicago 2001

Randolph St. Bridge, Chicago 2003

Randolph St. Bridge, Chicago 2003

Detail, Clark St. Bridge, Chicago 2001

Detail, Clark St. Bridge, Chicago 2001

Counterweights, Cermack Ave. Bridge, Chicago 2001

Counterweights, Cermack Ave. Bridge, Chicago 2001

LaSalle St. Bridge, Chicago 2002

LaSalle St. Bridge, Chicago 2002

Detail, 95th St. Railroad Bridge, Chicago 2001

Detail, 95th St. Railroad Bridge, Chicago 2001

Lift Bridge, Chinatown, Chicago 2001

Lift Bridge, Chinatown, Chicago 2001

Tracks and Framework, Raised Position, 18th St. Railroad Bridge, Chicago 2001

Tracks and Framework, Raised Position, 18th St. Railroad Bridge, Chicago 2001

Canoer's under the Wabash Ave. Bridge, Chicago 2001

Canoer's under the Wabash Ave. Bridge, Chicago 2001

Detail, 18th Street Railroad Bridge, Chicago 2001

Detail, 18th Street Railroad Bridge, Chicago 2001

Lake St. Bridge, Chicago 2003

Lake St. Bridge, Chicago 2003

Dearborn St. Bridge (vert.), Chicago 2002

Dearborn St. Bridge (vert.), Chicago 2002

Skyway Bridge & Silos I, Chicago 2001

Skyway Bridge & Silos I, Chicago 2001

18th St. Railroad Bridge, Chicago 2001

18th St. Railroad Bridge, Chicago 2001

Monroe St. Bridge, Chicago 2003

Monroe St. Bridge, Chicago 2003

Looking North From Roosevelt Rd., v.c, Chicago 2001

Looking North From Roosevelt Rd., v.c, Chicago 2001

Looking North From Roosevelt Rd., v.g., Chicago 2001

Looking North From Roosevelt Rd., v.g., Chicago 2001

95th St. Lift Bridge, Chicago 2001

95th St. Lift Bridge, Chicago 2001

93rd & Macinaw St. Bridge, Chicago 2001

93rd & Macinaw St. Bridge, Chicago 2001

Wells St. Bridge, Chicago 2001

Wells St. Bridge, Chicago 2001

Lift Bridge, Chinatown, Chicago 2001

Lift Bridge, Chinatown, Chicago 2001

Skyway Bridge, Chicago 2001

Skyway Bridge, Chicago 2001

Detail, Cermack Ave. Bridge, Chicago 2001

Detail, Cermack Ave. Bridge, Chicago 2001