INSPECTION PASSAGE FOR BRIDGE AND CONSTRUCTION

PROBLEM TO BE SOLVED: To provide an inspection passage for a bridge and a construction which is lightweight, low in manufacturing cost, usable for a long period of time and economical. SOLUTION: An inspection passage for a bridge and a construction is composed of a platform 9, handrail parts 11 provided at both side faces of the platform part 9, and hanging members 13 for holding the platform part 9 to the bridge girder or construction. The platform part 9 is composed of a composite plate body 10 composed of concrete 17 and a form 21 formed of steel member. At least one reinforcement is arranged in the longitudinal direction of the composite plate body 10, and a plurality of steel members 19 are arranged in the cross direction of the composite plate body 10.