It is the responsibility of the abutting property owners to repair, replace or reconstruct, or cause to be repaired, replaced or reconstructed, all broken or defective sidewalks and to maintain in a safe and hazard-free condition any sidewalk outside the lot and property lines and inside the curb lines or traveled portion of the public street. The owner of any lot or parcel who fails to maintain the sidewalk shall be liable to any person injured as a result of the failure to maintain the sidewalk and shall further save, defend, indemnify and hold harmless the city from and against any claim arising out of the failure to maintain the sidewalk.
(Iowa Code § 364.12(2)(c)) (1999 Code, § 136.04) Penalty, see § 10.99