Detailed Instructions: In this task, you are given a text which is the body of a document. Your job is to classify the topic of the document into these categories: 1)Company, 2)Educational Institution, 3)Artist, 4)Athlete, 5)Office Holder, 6)Mean of transportation, 7)Building, 8)Natural place, 9)Village, 10)Animal, 11)Plant, 12)Album, 13)Film, 14)Written work. Your output should be the category number. Don't generate anything apart from numbers 1-14.
Q: Text:  The Hayden Arch Bridge is a concrete arch bridge on old U.S. Route 14-16 near Cody Wyoming. It is the only example of its kind in Wyoming. Built in 1924-25 the single-span bridge spans 115 feet (35 m) with two smaller approach arches between rock canyon walls. The bridge carries the Cody-Yellowstone Highway across the Shoshone River with a shallow open-spandrel central arch and nominally-arched approach spans. The bridge is named after C.E.
A:
7