Across
- 3. Physical systems of a business or nation.
- 6. Supports the least amount of weight and is best for short distances.
- 9. Horizontal member fixed at one end and free at the other.
- 10. Plate used to unite multiple structural members of a truss.
- 12. This bridge has great natural strength.
- 15. A bridge that moves to allow passage for boats or barges.
- 17. Part of a bridge between two supports.
- 18. A mirror image.
- 19. Mechanical fastener that holds metal sheets together in various fabrication works.
- 20. A structure built to span physical obstacles.
- 21. Force applied to a structure that divides the structure into two sections.
- 22. Bridge that can span the longest. Also the most expensive to build.
- 23. Weight that changes on a structure, such as vehicles, people, or snow.
- 24. Bridge formed from floating units
- 25. A twisting force.
Down
- 1. Engineer that cleans up contamination, or prevents contamination of the air, soil, and water.
- 2. Supported by a number of cables running directly to one or more towers.
- 4. The enlarged lower portion of the substructure or foundation.
- 5. Used to construct the underwater foundation of a bridge.
- 7. The ground end-support of a bridge, especially to resist the horizontal thrust of an arch.
- 8. A low, reinforced concrete wall wider at the base, tapering vertically to near mid-height, then continuing straight up to its top.
- 9. Engineer that designs roads, buildings, airports, tunnels, dams, bridges, and systems for water supply and sewage treatment.
- 11. A framework of one or more triangles.
- 13. A force that squeezes material together.
- 14. A force that pulls material apart.
- 16. Joint that allows for movement of the parts due to thermal or moisture factors.