Arkansas - Area of significance: Engineering
| Mulberry River Bridge |
| Mulladay Hollow Bridge |
| Newport Bridge |
| North Jackson Street Bridge |
| North Sylamore Creek Bridge |
| North Washington Street Bridge |
| Oklahoma Row Hotel Site |
| Old Arkansas 22-Dardanelle Segment |
| Old Arkansas 2-Mayton Segment |
| Old Benton-Sardis Road Bridge |
| Old Highway 16 Bridge |
| Old River Bridge |
| Old U.S. 64-Van Buren Segment |
| Old US 67, Alicia to Hoxie |
| Old US 71-Ashdown Segment |
| Old US 71-Jenny Lind Segment |
| Old US 71-Little River Approach |
| Old US 71-Ogden Segment |
| Old US 71-Wilton Segement |
| Osage Mills Dam |
| Ouachita River Lock and Dam No. 8 |
| Petit Jean River Bridge |
| Point Remove Creek Bridge |
| Prescott & Northwestern Railroad Caboose No. 3 |
| Pyatt Tunnel |
| Remmel Dam |
| Rivervale Inverted Siphons |
| Ruddell Mill Site |
| Rush Historic District |
| Sanitarium Lake Bridges Historic District |
| Sebastian County Road 4G Bridge |
| Self Creek Bridge |
| Shady Lake CCC Bridge #1 |
| Shady Lake CCC Bridge #2 |
| Short Mountain Creek Bridge |
| South Fork Bridge |
| Southwestern Proving Ground Building No. 4 |
| Southwestern Proving Ground Building No. 5 |
| Springfield Bridge |
| Spring Lake Bridge |
| Spring River Bridge |
| 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 Steam Locomotive #819 |
| Sylamore Creek Bridge |
| Tennessee, Alabama & Georgia Railway Steam Locomotive #101 |
| Tuckerman Water Tower |
| Twin Bridges Historic District |
| 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 |
| U.S. 65 Expressway Pedestrian Bridge |
| US 67 Bridge over Little Missouri River |
| US 67, Old, Biggers to Datto |
| US 67, Old, Mandeville |
| US 71, Greenland Segment, Old |
| USS RAZORBACK (SS-394) |
| Van Buren County Road 2E Bridge |
| Wabash Alloys Locomotive |
| Waldo Water Tower |
| Wallace Bridge |
| Ward's Crossing Bridge |
| War Eagle Bridge |
| War Eagle Creek Bridge |
| Warren Brick Streets |
| Warrens Bridge |
| Washington County Road 35 Bridge |
| West James Street Overpass |
| White River Bridge at Elkins |
| Zinc Swinging Bridge-BO0162 |
Data from United States Park Service and Wikidata
