Design Span and Load
1 dayDetermine bridge length, deck width, and design load for hikers, bikes, or equestrian use.
Field context
This workflow is part of 1 niche field
Learn bridge building basics from scratch with a clear step-by-step workflow, recommended tools, safety guidelines, and expert tips.
Determine bridge length, deck width, and design load for hikers, bikes, or equestrian use.
Excavate and pour footings or set sills on stable rock below scour depth.
Install stringers, decking, and handrails per plan using galvanized or treated materials.
Verify all connections, rail heights, and perform a controlled load test before opening.
Follow USFS Trail Bridge Catalog or local agency engineered drawings for public trails.
Use harnesses when working over water or drops exceeding 6 ft.
Wear mask when cutting CCA or ACQ lumber; wash hands before eating.
Footings must sit below expected scour depth after major flood events.