Lake Ditch Bridge

{{Use mdy dates|date=February 2025}}

{{Infobox NRHP

| name = Lake Ditch Bridge

| nrhp_type =

| image = Lake Ditch Bridge.jpg

| caption = Lake Ditch Bridge, December 2011

| location = Junction of Lamb's Creek and W. Old State Road 67, west of Monrovia, Monroe Township, Morgan County, Indiana

| coordinates = {{coord|39|34|35|N|86|31|35|W|display=inline,title}}

| locmapin = Indiana#USA

| built = {{Start date|1895}}

| builder = Chicago Bridge and Iron Co.

| architecture = Plate girder bridge

| added = September 16, 2001

| area = less than one acre

| refnum = 01000986{{NRISref|version=2010a}}

}}

Lake Ditch Bridge is a historic plate girder bridge located in Monroe Township, Morgan County, Indiana. It was built in 1895 by the Chicago Bridge and Iron Co. It is 58 feet, 6 inches, long and 24 feet, 9 inches wide. It is supported by timber planks and concrete abutments.{{cite web| url = https://secure.in.gov/apps/dnr/shaard/welcome.html| title = Indiana State Historic Architectural and Archaeological Research Database (SHAARD) | publisher = Department of Natural Resources, Division of Historic Preservation and Archaeology | format = Searchable database| accessdate = 2016-05-01}} Note: This includes {{cite web| url =https://secure.in.gov/apps/dnr/shaard/r/234e7/N/Lake_Ditch_Bridge_Morgan_CO_Nom.pdf| title = National Register of Historic Places Inventory Nomination Form: Lake Ditch Bridge| accessdate = 2016-05-01| author=Joanne Raetz Stuttgen | format = PDF| date=January 2001}}.{{rp|5}}

It was listed on the National Register of Historic Places in 2001.