with the
Trout River in the distance near the top of the picture. Beginning in northwestern
Jacksonville, in
Duval County, the river starts out as a
creek. east of the
source, the river is crossed by
U.S. 1. downstream, the creek passes through the subdivision of River Falls. After this, the river widens into
wetlands with a multitude of
tributaries. downstream, a long tributary named the "Little Trout River". It originates at the forest at the corner of
U.S. 1 and
Interstate 295. downstream,
Lem Turner Road (State Road 115) crosses the river as the
C Ray Greene Bridge. downstream, the
river becomes
brackish. There is also the
Ribault River, the longest of the three main tributaries. downstream,
Interstate 95 crosses the river as the
Trout River Bridge. downstream is
Moncrief Creek, the third and last tributary of the Trout River. downstream,
U.S. Route 17 crosses the river, spanning . downstream is the
St. Johns River, the
mouth of the river at Sandfly Point. ==List of crossings==