Note: Goods from Canada and Mexico that fall under the U.S.M.C.A. trade pact — the agreement that replaced NAFTA — are not subject to tariffs that took effect in March targeting those countries.

No one on the bridge was reported injured. The vessel, which was flying a giant Mexican flag and had 277 people aboard, then drifted into a pier on the riverbank as onlookers scrambled away. Sailors ...