Across
- 5. structure that uses wires or cables to hold it up
- 7. central stone at the top of an arch
- 9. supporting structure
- 10. extended from side to side of a bridge
- 11. engineer who maintains roads and bridges
Down
- 1. a structure made of triangles and is normally on a bridge
- 2. structure built on top of something
- 3. the force of being pulled apart
- 4. built to support pressure of an arch or span
- 6. the inward pushing on a structure
- 8. curved structure that forms an opening
