710 LaSalle Street, Ottawa, IL p. 815.431.1100 We are on the East side of LaSalle Street between Jefferson Street and Madison Street. Directions from Interstate 80 SOUTH on IL-23/ COLUMBUS ST toward ETNA RD. Continue to follow IL-23 S. after Norris Drive, the road shifts to the right, you are now on LaSalle Street after you pass Jefferson St., we are on the East side, just North of Madison Street