KYIV, Ukraine (AP) — Ukrainian troops used American-supplied precision rocket launchers to knock out a vital bridge used by Russia to supply its forces in an occupied region of southern Ukraine, officials said Wednesday.

The Antonivskyi Bridge over the Dnieper River was attacked late Tuesday, according to Kirill Stremousov, deputy head of the Moscow-appointed administration for the Kherson region. The bridge was left standing, but holes in its deck prevented vehicles from crossing the 1.4-kilometer (0.9-mile) span, he said.

After previous Ukrainian attacks damaged the bridge last week, it was...