The CSX Transportation (CSX) Railroad Bascule Bridge was built in 1926-1927 as part of the Miami extension of the Seaboard Airline Railway (SAL) system. The bridge is parallel to and west of State Road 9 / Interstate 95 (I-95) over the South Fork of the New River. The South Florida Regional Transportation Authority (SFRTA) operates a two-track transit facility which is parallel to the CSX track, between the CSX railroad and I-95. This is the double-track line used by Tri-Rail and Amtrak.
The CSX bridge is owned by the Florida Department of Transportation (FDOT). The cost of maintenance on the bridge is currently shared by agreement between CSX and FDOT. Rail traffic over the single-track bascule bridge primarily consists of CSX freight trains. Daily unit stone trains, plus local CSX freight service and CSX work trains are now moved over the bascule bridge. In the event of maintenance or shutdown of the parallel Tri-Rail line, Tri-Rail and Amtrak trains will utilize the trackage over the bascule span.
