(AP) - Bridge troubles snarled the commute forthousands of rail riders in New Jersey and New York City Wednesdaymorning. Amtrak spokesman Cliff Cole says an electrical problem kept thePortal Bridge in Kearny from closing properly until 6:26a.m. Cole says initial indications suggested ice may have gotteninto the bridge equipment. NJ Transit train service in and out of Manhattan was restored anhour after it was suspended. But riders on North Jersey Coast Line,Midtown Direct and Northeast Corridor Line trains faced delays. The problem began at 5:28 a.m. when Amtrak was unable to closethe bridge, which spans the Hackensack River and carries trainsbetween Newark's Penn Station and New York City's Penn Station. Thetwo-lane rail bridge, built in 1910, is just west of the SecaucusJunction rail station. NJ Transit