State Road 100 angles northwest from Flagler Beach to Lake City across North Florida. Within Flagler County, SR 100 runs 26.29 miles, connecting Bunnell with SR A1A along the Atlantic Ocean to the east and with the Putnam County seat of Palatka to the northwest. This includes a 0.42 mile overlap with U.S. 1 through Bunnell.
Florida State Road 100 Guides
Navigating along a 34.27 mile course across Putnam County, SR 100 overlaps with U.S. 17 and unsigned SR 20 west from San Mateo and East Palatka across the St. Johns River. Following Reid Street through Downtown Palatka, SR 20 branches west from SR 100 along 9th Street toward Gainesville while U.S. 17 turns north toward Green Cove Springs.
SR 100 bee lines west from Palatka to the rural community of Florahome. Beyond there, SR 26 connects with the state road east from Gainesville and Melrose. SR 100 turns northward from SR 26 through Keystone Heights along a 5.30 mile course in southwestern Clay County. Passing east of Santa Fe Swamp, the highway advances north to the Bradford County seat of Starke.
Water Street north and Madison Street west lead SR 100 across the city of Starke. The Starke Railroad Overpass Interchange Improvements project builds a bridge taking SR 100 over the CSX Railroad between Church Street and Walnut Street on the south side of Downtown. Costing $23.6 million, construction got underway in July 2020 and runs through Summer 2023. U.S. 301 (Temple Avenue) intersects SR 100 at Downtown, while an Alternate Truck Bypass connects with SR 100 at a diamond interchange further west. The 22.17 mile alignment through Bradford County concludes at the New River and Union County line.
Within Union County, SR 100 travels 14.01 miles along a mostly rural route excluding Main Street through the city of Lake Butler. Crossing Olustee Creek, SR 100 enters Columbia County and continues 9.99 miles northwest to Lake City Gateway Airport (LCQ), SR 10A (Baya Drive) and U.S. 90 (Duval Street).
The remainder of State Road 100 northwest from Lake City to the Georgia state line north of Jasper is an unmarked route. SR 100 overlaps with U.S. 90 west 2.17 miles to U.S. 41 in Downtown Lake City. U.S. 41 coincides with SR 100 northward 11.48 miles to the Hamilton County line outside White Springs and another 16.50 miles to U.S. 129 south of Jasper.
U.S. 41/129 overlap with unsigned SR 100 for 3.40 miles through Jasper. SR 100 accompanies the northernmost 7.52 miles of U.S. 129 within Florida as the highway leads north toward Statenville, Georgia.
Connect with:
Interstate 95
U.S. 1
U.S. 17
U.S. 90
U.S. 301
U.S. 301 Alternate - Starke Truck Route
State Road A1A
State Road 10A
State Road 11
State Road 20
State Road 26
State Road 207
Page Updated 10-24-2022.