The following bridge structures were designed/ managed and certified by Sean Edwards. Sean designed and developed a modular precast / prestressed bridge systems.
- Boyne River Bridge
- Deringulla Bridge and Kookaburra Bridge – Warrumbungle Shire Council NSW.
- McCullagh’s bridge – Coonabrarbran NSW
- Cox’s Creek Bridge – Gunnedah, NSW
- Combara Bridge – Coonamble Shire Council, NSW
- Youngs Bridge – Fitzroy Shire Council, QLD
- Bundaberg Sugar Cane Rail Bridge Burnett River Bundaberg. Provided design and documentation including certification for 280m long bridge across Burnett River including approach trestles with sliding centre span for ship passage. (Awaiting Council Approval).