Westbound Bear Cut Bridge closed to motorists in Key Biscayne

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  Cyclists ride on the closed westbound side of the Bear Cut Bridge, between Key Biscayne and Virginia Key, as motorists use the eastbound side for both directions of traffic this Friday morning, Jan. 4, 2013. WALTER MICHOT / MIAMI HERALD STAFF

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  Cyclists ride on the closed westbound side of the Bear Cut Bridge, between Key Biscayne and Virginia Key, as motorists use the eastbound side for both directions of traffic this Friday morning, Jan. 4, 2013. WALTER MICHOT / MIAMI HERALD STAFF

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  Cyclists ride on the closed westbound side of the Bear Cut Bridge, between Key Biscayne and Virginia Key, as motorists use the eastbound side for both directions of traffic this Friday morning, Jan. 4, 2013. WALTER MICHOT / MIAMI HERALD STAFF

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  Cyclists ride on the closed westbound side of the Bear Cut Bridge, between Key Biscayne and Virginia Key, as motorists use the eastbound side for both directions of traffic this Friday morning, Jan. 4, 2013. WALTER MICHOT / MIAMI HERALD STAFF

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  The closed westbound side of the Bear Cut Bridge, between Key Biscayne and Virginia Key, as motorists use the eastbound side for both directions of traffic this Friday morning, Jan. 4, 2013. WALTER MICHOT / MIAMI HERALD STAFF