33 CFR 114.45 : Navigation And Navigable Waters (§ 1.01-1 To Parts 404-499) — (§ 1.01-1 To Parts 121-124) — Coast Guard, Department Of Homeland Security (§ 1.01-1 To Parts 121-124) — Bridges (§ 114.01 To § 118.160) — General (§ 114.01 To § 114.50) — Applications, extensions of time.

Extensions of time to commence or complete construction of a bridge or remove a bridge that has been replaced as an element of a permitted bridge project must be submitted to, and received by the District Commander at least 30 days before the existing permit expires to allow the permit to remain in effect until the final agency action is taken.