Smithland Lock and Dam

{{Infobox dam

| name = Smithland Lock and Dam

| image = File:Smithland Lock n Dam pan.jpg

| image_size = 300px

| image_caption =

| name_official =

| dam_crosses = Ohio River

| location = Kentucky/Illinois border

| operator =24px United States Army Corps of Engineers Louisville District

| dam_type = Concrete fixed weir with 11 Tainter gates

| res_elevation = 324 feet above sealevel

| dam_length = 2,951 feet

| dam_width_base =

| construction_began = 1971

| opening = 1980

| cost =

| plant_capacity =

| plant_operator =

| coordinates = {{coord|37.1664|-88.4284|type:landmark_region:US|display=inline,title}}

| extra =

}}

Smithland Lock and Dam is the 18th lock and dam on the Ohio River, 919 miles down stream of Pittsburgh and 63 miles upstream from the confluence of the Mississippi with the Ohio. There are 2 locks for commercial barge traffic that are 1,200 feet long by 110 feet wide.{{cite web|url=http://www.lrl.usace.army.mil/Missions/CivilWorks/Navigation/LocksandDams/SmithlandLocksandDam.aspx|archive-url=https://web.archive.org/web/20130223194537/http://www.lrl.usace.army.mil/Missions/CivilWorks/Navigation/LocksandDams/SmithlandLocksandDam.aspx|url-status=dead|archive-date=February 23, 2013|title=Louisville District > Missions > Civil Works > Navigation > Locks and Dams > Smithland Locks and Dam|publisher=}}