[ 3] Name on the Register[ 4] Image Date listed[ 5] Location City or town Description 1 Adams Mill Adams Mill November 23, 1984 (#84000278 ) Off County Road 50E, northeast of Cutler 40°28′50″N 86°30′29″W / 40.480556°N 86.508056°W / 40.480556; -86.508056 (Adams Mill ) Democrat Township 2 Adams Mill Covered Bridge Adams Mill Covered Bridge January 11, 1996 (#95001537 ) County Road 50E over Wildcat Creek, northeast of Cutler 40°29′01″N 86°30′42″W / 40.483611°N 86.511667°W / 40.483611; -86.511667 (Adams Mill Covered Bridge ) Democrat Township 3 American House Hotel Upload image September 4, 2018 (#100002859 ) 205 Michigan Rd. 40°28′52″N 86°23′42″W / 40.4812°N 86.3950°W / 40.4812; -86.3950 (American House Hotel ) Burlington 4 Barnett-Seawright-Wilson House Barnett-Seawright-Wilson House September 17, 1980 (#80000054 ) 203 E. Monroe St. 40°35′18″N 86°40′25″W / 40.588333°N 86.673611°W / 40.588333; -86.673611 (Barnett-Seawright-Wilson House ) Delphi 5 Baum-Shaeffer Farm Baum-Shaeffer Farm August 28, 1998 (#98001102 ) 6678 W200N, southeast of Delphi 40°34′28″N 86°39′11″W / 40.574444°N 86.653056°W / 40.574444; -86.653056 (Baum-Shaeffer Farm ) Deer Creek Township 6 Burlington Township No. 9 School Upload image November 29, 2019 (#100004727 ) 6013 Cty. Rd. East 600 South. 40°27′37″N 86°24′40″W / 40.4604°N 86.4110°W / 40.4604; -86.4110 (Burlington Township No. 9 School ) Burlington Township 7 Burris House and Potawatomi Spring Burris House and Potawatomi Spring September 15, 1977 (#77000018 ) Towpath Rd. at Lockport 40°41′54″N 86°34′28″W / 40.698333°N 86.574444°W / 40.698333; -86.574444 (Burris House and Potawatomi Spring ) Adams Township 8 Camden First Baptist Church Upload image February 22, 2023 (#100008659 ) 225 East Main St. 40°36′31″N 86°32′16″W / 40.6087°N 86.5377°W / 40.6087; -86.5377 (Camden First Baptist Church ) Camden 9 Camden Masonic Temple Camden Masonic Temple December 23, 2003 (#03001313 ) 213 W. Main St. 40°36′31″N 86°32′26″W / 40.608611°N 86.540556°W / 40.608611; -86.540556 (Camden Masonic Temple ) Camden 10 Carroll County Courthouse Carroll County Courthouse December 23, 2003 (#03001317 ) 101 W. Main St. 40°35′10″N 86°40′29″W / 40.586111°N 86.674722°W / 40.586111; -86.674722 (Carroll County Courthouse ) Delphi 11 Carroll County Infirmary Upload image December 3, 2018 (#100003177 ) 6409 W100N 40°33′42″N 86°38′48″W / 40.5618°N 86.6466°W / 40.5618; -86.6466 (Carroll County Infirmary ) Deer Creek Township 12 Carrollton Bridge Carrollton Bridge June 22, 2003 (#03000539 ) Carrollton Rd. across the Wabash River , north of Delphi 40°38′54″N 86°39′24″W / 40.648333°N 86.656667°W / 40.648333; -86.656667 (Carrollton Bridge ) Adams , Deer Creek , and Tippecanoe Townships 13 Deer Creek Valley Rural Historic District Deer Creek Valley Rural Historic District December 19, 2002 (#02001557 ) Southeastern corner of Sec. 21, most of Sec. 22, and areas north of Deer Creek, east of Delphi 40°35′35″N 86°37′49″W / 40.593056°N 86.630278°W / 40.593056; -86.630278 (Deer Creek Valley Rural Historic District ) Deer Creek Township 14 Delphi City Hall Delphi City Hall December 17, 1998 (#98001525 ) 105-109 Washington St. 40°35′12″N 86°40′26″W / 40.586667°N 86.673889°W / 40.586667; -86.673889 (Delphi City Hall ) Delphi 15 Delphi Courthouse Square Historic District Delphi Courthouse Square Historic District March 31, 2010 (#10000120 ) Roughly bounded by Monroe, the southern side of Main, and the western sides of Market and Indiana Sts. 40°35′11″N 86°40′29″W / 40.586358°N 86.674819°W / 40.586358; -86.674819 (Delphi Courthouse Square Historic District ) Delphi 16 Delphi Lime Kilns Delphi Lime Kilns June 27, 2002 (#02000693 ) North-northwest of Delphi 40°35′45″N 86°40′43″W / 40.595833°N 86.678611°W / 40.595833; -86.678611 (Delphi Lime Kilns ) Deer Creek Township 17 Delphi Methodist Episcopal Church Delphi Methodist Episcopal Church September 14, 2015 (#15000592 ) 118 N. Union St. 40°35′17″N 86°40′26″W / 40.588056°N 86.673889°W / 40.588056; -86.673889 (Delphi Methodist Episcopal Church ) Delphi 18 District School No. 3 District School No. 3 March 31, 1988 (#88000374 ) Southeastern corner of the junction of County Roads 750N and 100W, northeast of Rockfield 40°39′21″N 86°32′38″W / 40.655833°N 86.543889°W / 40.655833; -86.543889 (District School No. 3 ) Rock Creek Township 19 Foreman-Case House Foreman-Case House May 24, 1990 (#90000811 ) 312 E. Main St. 40°35′12″N 86°40′15″W / 40.586667°N 86.670833°W / 40.586667; -86.670833 (Foreman-Case House ) Delphi 20 Franklin Street Stone Arch Bridge Upload image March 1, 2021 (#100006203 ) Franklin St. over Old Canal 40°35′01″N 86°41′01″W / 40.5836°N 86.6835°W / 40.5836; -86.6835 (Franklin Street Stone Arch Bridge ) Delphi 21 Lancaster Covered Bridge Lancaster Covered Bridge March 2, 2021 (#100006206 ) Cty. Rd. 500 W-500 S over Wildcat Cr. 40°28′04″N 86°37′02″W / 40.4677°N 86.6171°W / 40.4677; -86.6171 (Lancaster Covered Bridge ) Owasco vicinity 22 Little Rock Creek Stone Arch Bridge Upload image March 2, 2021 (#100006207 ) Cty. Rd. 1025 N-175 W over Little Rock Cr. Coordinates missing Lockport vicinity 23 Lock No. 33 Lock Keeper's House, and Wabash and Erie Canal Lock No. 33 Lock No. 33 Lock Keeper's House, and Wabash and Erie Canal Lock No. 33 June 24, 2002 (#02000684 ) Along the Wabash and Erie Canal south of Bicycle Bridge Rd., southwest of Delphi[ 6] 40°34′52″N 86°41′00″W / 40.581111°N 86.683333°W / 40.581111; -86.683333 (Lock No. 33 Lock Keeper's House, and Wabash and Erie Canal Lock No. 33 ) Deer Creek Township 24 Niewerth Building Niewerth Building May 24, 1984 (#84001001 ) 124 E. Main St. 40°35′10″N 86°40′22″W / 40.586111°N 86.672778°W / 40.586111; -86.672778 (Niewerth Building ) Delphi 25 North Street Viaduct Upload image August 28, 2023 (#100009295 ) North St. overpass at US 421/39/Washington St. 40°34′56″N 86°40′13″W / 40.5822°N 86.6703°W / 40.5822; -86.6703 (North Street Viaduct ) Delphi 26 Fred and Minnie Raber Farm Fred and Minnie Raber Farm September 16, 1992 (#92001169 ) State Road 218 east of County Road 425W, west of Camden 40°36′21″N 86°36′11″W / 40.605833°N 86.603056°W / 40.605833; -86.603056 (Fred and Minnie Raber Farm ) Deer Creek Township 27 South Delphi Historic District Upload image March 5, 2024 (#100010027 ) Roughly bounded by the north boundary of Riley Park on the north, Prince William Road on the northeast, the alley south of Summit Street on the southeast, and Wabash Street and the west boundary of Riley Park on the south and southwest 40°34′54″N 86°40′11″W / 40.5818°N 86.6698°W / 40.5818; -86.6698 (South Delphi Historic District ) Delphi 28 Sunset Point Sunset Point June 24, 2002 (#02000685 ) Confluence of Deer Creek and the Wabash River , southwest of Delphi[ 6] 40°34′20″N 86°41′18″W / 40.572111°N 86.688333°W / 40.572111; -86.688333 (Sunset Point ) Deer Creek Township 29 Sycamore Row Sycamore Row June 24, 2002 (#100009297 ) Old IN 29 from Deer Creek south approx. 1,300 feet (400 m) to IN 29 40°36′25″N 86°23′29″W / 40.6069°N 86.3913°W / 40.6069; -86.3913 (Sycamore Row ) Washington Township 30 Andrew Thomas House Andrew Thomas House December 27, 1984 (#84000485 ) W. Main St. 40°36′31″N 86°32′26″W / 40.608611°N 86.540556°W / 40.608611; -86.540556 (Andrew Thomas House ) Camden 31 Wabash and Erie Canal Culvert No. 100 Wabash and Erie Canal Culvert No. 100 March 20, 2002 (#02000194 ) Towpath Rd. over Burnett's Creek, northeast of Lockport 40°42′11″N 86°34′02″W / 40.703056°N 86.567222°W / 40.703056; -86.567222 (Wabash and Erie Canal Culvert No. 100 ) Adams Township 32 Wagoner-Ayres House Upload image May 20, 2024 (#100010377 ) 4565 East State Road 18 40°32′48″N 86°26′18″W / 40.5468°N 86.4384°W / 40.5468; -86.4384 (Wagoner-Ayres House ) Flora 33 Washington Street Stone Arch Bridge Washington Street Stone Arch Bridge March 1, 2021 (#100006209 ) Washington St. over Old Canal 40°35′34″N 86°40′44″W / 40.5927°N 86.6789°W / 40.5927; -86.6789 (Washington Street Stone Arch Bridge ) Delphi 34 Wilson Bridge Wilson Bridge June 6, 2001 (#01000623 ) 0.6 miles west of County Road 450W on County Road 300N over Deer Creek, east of Delphi 40°35′27″N 86°37′16″W / 40.590833°N 86.621111°W / 40.590833; -86.621111 (Wilson Bridge ) Deer Creek Township