A couple months ago we were down on the Cape inspecting the Dennis Yarmouth Bridge. The cast-in-place reinforced concrete slab has 33 spans which carry Route 28 over the Bass River.
This was a Special Member inspection of the deck and substructure and was very helpful since we were also currently rating the structure. The Bass River flows tidally North and South.
Spans 1, 2, 32 and 33 were accessed from manholes and inspected with ladders. The lower portion of the concrete piles were inspected by boat (and went much faster after we purchased a new motor). The underside of the deck, pile cap and upper portion of the piles were inspected with a 50 foot Snooper (Under Bridge Inspection Unit from McClain). With the help of local police and traffic control, we were able to shift traffic over while we worked in the break down lane safely.
