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Mineral County
Coller Wildlife Area Bridge [Map] Pony truss bridge over the Rio Grande on CR 430 just off CO 149 at Coller State Wildlife AreaOpen to traffic on a gravel roadBuilt ca. 1930
Rio Grande CR 430A BridgeLost two-span pony truss bridge over the Rio Grande on CR 430A just off CO 149Replaced by modern bridgeBuilt ca. 1930; replaced 1998
Sevenmile Bridge [Map] Deck truss bridge over the Rio Grande at the entrance to Marshall Park Campground, just off CO 149Open to trafficBuilt 1935; relocated 1981