The Hood River–White Salmon Interstate Bridge will be closed to all traffic early Friday morning from 12:30 a.m. to 4:30 a.m. for scheduled maintenance.  During this nighttime closure, crews will finalize preventive maintenance on wire ropes, install a new expansion joint on the south end of the bridge, performing guardrail repairs, locating and verifying electrical wiring.  For updates, please visit portofhoodriver.com.