Question: The CNR Bonnet Carré Spillway-Baton Rouge Bridge is a 1.3 mile (2,092 m or 6,864 ft) bridge that carries which rail line, of Canadian Class I freight railway headquartered in Montreal, Quebec that serves Canada and the Midwestern and Southern United States?
Sentence (from "Canadian National Railway"): It had a market capitalization of 32 billion CAD in 2011.
Relevant evidence: No