| HEADROOM | Clearance below a bridge or ceiling |
| UNDERPASS | Road below a bridge |
| TOLL | A charge payable for use of a bridge or a road (4) |
| ARCH | Structure forming part of a bridge or an aqueduct; or, a triumphal gateway, such as that designed by John Nash, originally as entrance to Buckingham Palace (4) |
| PARAPET | A low wall or railing along the edge of something high such as a bridge or roof (7) |
| GANGWAY | An aisle between rows of seats in an aircraft/theatre; or, a bridge or ramp linking a ship to the shore (7) |
| TOLLBOOTH | A roadside kiosk where drivers or pedestrians must pay to use a bridge or road (9) |
| ATOLL | A cost of crossing a bridge or island (5) |
| SPAN | Distance between two points, such as the ends of a bridge or the thumb and little finger; or, the duration of something in time (4) |
| TRESTLE | Support for a bridge or table |
| IDO | Response from a bridge or groom: 2 wds. |
| PONTOON | A flat-bottomed boat or structure serving as a buoyant support for a temporary floating bridge or landing stage; a float of a seaplane; or, the game blackjack or vingt-et-un (7) |
| SKYLIGHT | A window or lantern set in a roof or ceiling; or, the illumination through the bottom of an empty glass (8) |
| JOIST | What is a beam supporting a floor or ceiling? (5) |
| RUBBER | A cabinetmaker's polishing pad; a stationery item for erasing pencillings; a coarse file; a match of three games in bridge or whist; or, caoutchouc (6) |
| PIER | Walkway over water, such as a jetty; a buttress; a gate pillar; or, a support for an arch, bridge or telescope (4) |
| CUPOLA | What is a rounded dome forming a roof or ceiling? (6) |
| TRAPDOOR | Opening set in a stage or ceiling |
| FRESCO | Painting on a wall or ceiling |
| HATCH | Covered opening in a wall or ceiling (5) |
