The Don Mariano Marcos Bridge is a steel bridge cutting across the mighty Abra River in the municipality of Tayum, Abra. Located along the Abra Kalinga National Road which is the third longest bridge in the country today with a total length of 886.812 linear meters. The Don Mariano Marcos Bridge is strategically located between the boundaries of Tayum, Lagangilang and Dolores at one scenic portion of Abra River. The Don Mariano Marcos bridge itself collapsed in 1989. It took the Philippine Department of PUblic Works and Highways seven years to repair the bridge.