Dam No. 11 (us-iowa)
Type: waterway=dam
Coordinates: 42.5407097665574, -90.64253549450488
Area: 0.00471223828125 km²
OSM tags:
area: yes
description: This portion of the dam extends 1,478 feet northeast in a straight line from the riverward wall of the auxiliary lock. It has 13, 60-foot-wide by 20-foot-high type 2b Tainter gates and three, 109-foot-wide by 20-foot high, 8-foot submersible roller gates.
heritage: 2
heritage:operator: nrhp
heritage:website: https://www.nps.gov/subjects/nationalregister/index.htm
historic: maritime
material: concrete
name: Dam No. 11
nrhp:criteria: (A), (C)
nrhp:inscription_date: 2004-03-10
operator: U.S. Army Corps of Engineers, Rock Island District
protection_title: U.S. Army Corps of Engineers
ref:US:NID: IA00003
ref:nrhp: 04000171
source_ref: https://catalog.archives.gov/id/28891076
start_date: 1937
waterway: dam
wikipedia: en:Lock and Dam No. 11