Arkansas - Role: Structure
| Remmel Dam |
| Rison Overpass |
| Rivervale Inverted Siphons |
| Rock Island Railroad Overpass |
| Russellville West Overpass |
| Sebastian County Road 4G Bridge |
| Self Creek Bridge |
| Shady Lake CCC Bridge #1 |
| Shady Lake CCC Bridge #2 |
| Shady Lake Dam |
| Short Mountain Creek Bridge |
| Siloam Springs City Park |
| Simpson, Stanley, Farmstead Picking Shed |
| Smith Creek Bridge |
| South Fork Bridge |
| Southwestern Proving Ground Building No. 4 |
| Southwestern Proving Ground Building No. 5 |
| Springfield Bridge |
| Springfield to Fayetteville Road-Cross Hollow Segment |
| Springfield to Fayetteville Road-Elkhorn Tavern Segment |
| Spring Lake Bridge |
| Spring River Bridge |
| Square Rock Dipping Vat |
| Standard Oil Company Oil Station Pumphouse |
| State Highway 274 Bridge |
| State Highway 96 Bridge |
| St. Francis River Bridge |
| St. Francis River Bridge |
| St. Louis San Francisco (Frisco) Railway Coach #661 |
| St. Louis San Francisco (Frisco) Railway Steam Locomotive #4003 |
| St. Louis-San Francisco Overpass |
| St. Louis Southwestern Railway (Cotton Belt Route) Caboose #2325 |
| St. Louis Southwestern Railway (Cotton Belt Route) Relief Train |
| St. Louis Southwestern Railway (Cotton Belt Route) Steam Locomotive #336 |
| St. Louis Southwestern Railway Steam Locomotive #819 |
| Sugar Creek Vista Overlook |
| Sumner-White Dipping Vat |
| Sylamore Creek Bridge |
| Tate's Bluff Fortification |
| Taylor Field |
| Tennessee, Alabama & Georgia Railway Steam Locomotive #101 |
| Tuckerman Water Tower |
| Tyronza Water Tower |
| United States Air Force Locomotive #1246 |
| United States Army Snow Plow #SN-87 |
| US 62 Bridge over Crooked Creek |
| U.S. 62 White River Bridge |
| U.S. 64 Horsehead Creek Bridge |
| US 64, Menifee Segment, Old |
| US 64, Old, Scotia Segment |
| U.S. 65 Expressway Pedestrian Bridge |
| US 67 Bridge over Little Missouri River |
| US 67, Old, Biggers to Datto |
| US 67, Old, Mandeville |
| US 70, Union Valley Segment |
| US 71, Greenland Segment, Old |
| USS HOGA YT-146 (formerly CITY OF OAKLAND) |
| USS RAZORBACK (SS-394) |
| Van Buren County Road 2E Bridge |
| Van Buren Overpass |
| Wabash Alloys Locomotive |
| Waldo Water Tower |
| Wallace Bridge |
| Walnut Ridge Army Airfield Access Road |
| Ward's Crossing Bridge |
| War Eagle Bridge |
| War Eagle Creek Bridge |
| Warren Brick Streets |
| Warrens Bridge |
| Washington County Road 35 Bridge |
| Waterside Street Bridge |
| West 12th Street Overpass |
| West 14th Street Overpass |
| West James Street Overpass |
| White River Bridge at Elkins |
| Wittsburg Fortification |
| Woman's Community Club Band Shell |
| Wommack Kiln |
| Yarbro Overpass |
| Yellville West Overpass |
| Zinc Swinging Bridge-BO0162 |
Data from United States Park Service and Wikidata
