In the midst of escalating US-Israeli strikes on Iranian infrastructure and threats surrounding the Strait of Hormuz, Iranian media outlets including Fars News have published detailed lists of strategic bridges across the region as potential retaliatory targets. These include the King Fahd Causeway connecting Saudi Arabia to Bahrain, as well as Sheikh Zayed Bridge and Sheikh Khalifa Bridge in the UAE (Abu Dhabi area), alongside bridges in Kuwait and Jordan. This development, reported days before Saudi authorities acted, frames a broader tit-for-tat strategy extending the conflict deep into Gulf Cooperation Council territory. In direct response to Iranian missile and drone activity targeting Saudi Arabia's Eastern Province, Riyadh temporarily closed the 25-kilometer King Fahd Causeway—the sole road link to Bahrain and the US Navy's 5th Fleet—as a precautionary measure on April 7, 2026. The crossing was later reopened after the immediate threat subsided. These actions reveal dynamics that transcend the conventional Israel-Iran framing. By publicly signaling vulnerability in Saudi and Emirati infrastructure, Iran is testing the cohesion of the Abraham Accords-era alignments and GCC solidarity. Saudi Arabia and the UAE, both major players in global energy flows, face pressure that could incentivize pragmatic de-escalation or hedging rather than full alignment with maximalist US-Israeli positions. Disruptions to these bridges, while limited so far, carry symbolic weight for overland logistics, supply chains, and the perception of security in a region where energy transit through the Gulf remains paramount. Multiple outlets confirm the Iranian target lists preceded the Saudi closure amid heightened exchanges involving ballistic missiles, drone interceptions, and infrastructure strikes on both sides. This episode underscores how Gulf realignment risks could reshape not only alliances but also alternative energy corridors, economic dependencies, and conflict vectors in ways that outlast any immediate Hormuz standoff.