Bridge Structure Inspections
Item
Description
Points of Interest for Inspection
1
Trolley rail bolted splices.
Loose and missing splice bolts, check for improper hardware. Joint bar bolts have straight shanks to the head and are made per ASTM A449. Nuts are per A563 grade B. A325 bolts and nuts may also be used. Check/tighten splice bolts every 3 months. Fasteners should include a helical spring l...