Related Clues:
- Elevated roadway
- Support, to a civil engineer
- Railroad bridge
- Part of a model-train set
- Tower for supporting a bridge
- Railroad bridge support
- Table support
- Part of a bridge
- Word that led to the 'Why a duck?' routine by the Marx brothers
- Railroad-bridge support
- Bridge for a train
- Amtrak canyon crosser
- Sawhorse, e.g.
- Carpenter's horse
- River spanner