Florida State Road 100

State Road 100 (SR 100) is a 153-mile-long (246 km) east–west highway serving northeastern Florida. Its western terminus is at the Georgia-Florida border four miles (6 km) north of Avoca, Florida (its continuation in Georgia is State Route 11); its eastern terminus is an intersection with Shore Scenic Highway (SR A1A) in Flagler Beach. The portion west of Lake City is only signed as portions of US 41 and US 129, both of which run north-south.

State Road 100
Route information
Maintained by FDOT
Length	153.173 mi[1] (246.508 km)
Existed	1945–present
Major junctions
West end	US 129 / SR 11 at the Georgia state line
	US 90 / US 41 / US 441 in Lake City US 301 in Starke US 17 / SR 20 in Palatka US 1 / SR 11 in Bunnell I-95 in Palm Coast
East end	SR A1A in Flagler Beach
Highway system
Florida State Highway System Interstate U.S. SR Former Pre-1945 Toll Scenic ← SR 99 → SR 101

Route description

Flagship Harbor Preserve from the State Road 100 Bridge

The northernmost eight miles (13 km) of SR 100 are signed (north–south) as US 129. For three miles (5 km) in Jasper, it merges with US 41 (SR 25) before separating from US 129 (which has the hidden Florida Department of Transportation designation SR 51 between the split and Live Oak).

East of Lake City, SR 100 is signed east–west as it continues along a northwest–southeast pathway toward the Atlantic Ocean, serving, amongst other municipalities, Lake Butler, Starke, Keystone Heights, and Putnam Hall before merging with US 17 (hidden SR 15) on Reid Street in Palatka, just west of their bridge crossing at St. Johns River.

State Road 100 separates from US 17/SR 15 in San Mateo and continues in a more easterly direction through Shell Bluff, Bimini, Bunnell (where SR 100 overlaps U.S. Route 1/SR 5 for a mile) and Palm Coast before it reaches SR A1A in Flagler Beach on the Atlantic coast.

Major intersections

County	Location	mi[1]	km	Destinations	Notes
Hamilton	​	0.000	0.000	US 129 north / SR 11 north – Statenville, Lakeland	Georgia state line
see US 129 (mile 87.881-76.954) and US 41 (mile 466.038-434.658)
Columbia	Lake City	38.906	62.613	US 90 west (West Duval Street / SR 10) / US 41 south / US 441 Truck south (Main Boulevard / SR 25 / SR 47) to I-75 – Live Oak, High Springs	east end of US 41 / US 441 Truck / SR 25 overlap; west end of US 90 / SR 10 / SR 47 overlap
		39.047	62.840	US 441 (Marion Avenue / SR 25A south / SR 47 north) – Downtown Lake City	east end of SR 47 overlap
	Watertown	41.069	66.094	US 90 east (SR 10) / Northeast Bascom Norris Drive (CR 100A west) – Macclenny	east end of US 90 / SR 10 overlap
		41.349	66.545	SR 10A (Southeast Baya Drive) to US 90 east
		41.862	67.370	CR 245
	​	43.021	69.236	CR 245A south
	Lulu	49.634	79.878	CR 241 south
Union	​	51.667	83.150	CR 239 south
	​	54.956	88.443	CR 100A east
	​	59.461	95.693	CR 231 north – Olustee
	Lake Butler	60.332	97.095	SR 238 west (Dr. M.L. King Jr. Avenue) / CR 238 north (Northwest 6th Avenue) to SR 231 south – Sanderson, Providence, Reception and Medical Center
		61.537	99.034	SR 121 – Gainesville, Macclenny
	​	63.928	102.882	CR 237 south (Seeber Johns Road)
	​	64.176	103.281	CR 237 north
New River		65.00	104.61	Long Bridge
Bradford	​	65.579	105.539	CR 235 north
	​	66.879	107.631	CR 235 south
	​	71.321	114.780	CR 225 north
	Starke	74.088	119.233	CR 100A east – National Guard Armory
				US 301 Alt. (Starke Bypass / SR 223) – Jacksonville, Gainesville	Interchange; Truck bypass of US 301
		75.641	121.732	US 301 (Temple Avenue / SR 200) to SR 16 – Lawtey, Gainesville
		75.956	122.239	SR 230 Truck east (South Water Street)
	​	77.071	124.034	CR 100A east
	​	79.332	127.672	CR 100A west
	​	83.291	134.044	CR 18 west – Hampton
	​	84.594	136.141	CR 18 east
	​	85.196	137.110	CR 18 west (Southeast 66th Street)
	​	86.086	138.542	CR 21B south
Clay	​	87.653	141.064	CR 100B east
	Keystone Heights	88.089	141.766	CR 100B west
		88.363	142.206	SR 21 – Melrose, Middleburg, Gold Head Branch State Park
	Lake Geneva	89.940	144.744	CR 214 east
	​	90.774	146.087	CR 214 west
	​	91.897	147.894	CR 219 south
Putnam	Putnam Hall	93.834	151.011	SR 26 west – Melrose
	Grandin	96.909	155.960	CR 315 – Interlachen
	​	109.503	176.228	CR 309D north – Bardin
	Springside	110.129	177.235	CR 309C south
	​	112.133	180.461	CR 216 east
	Palatka	113.126	182.059	SR 19 – Salt Springs, St. Johns River State College, truck route to SR 20 west
		113.935	183.361	US 17 north (SR 15)	west end of US 17 / SR 15 overlap
		115.130	185.284	SR 20 west (9th Street) – Interlachen, Ravine Gardens State Park	west end of SR 20 overlap
	​	116.1	186.8	Memorial Bridge over St. Johns River
	East Palatka	117.782	189.552	SR 207 north – Hastings, St. Augustine
	San Mateo	120.783	194.381	US 17 south (SR 15) – Pomona Park	east end of US 17 / SR 15 overlap
Flagler	​	134.540	216.521	CR 2005 south (Water Oak Road)
	​	137.528	221.330	CR 305 south – St. Johns Park, Seville
	​	139.026	223.741	CR 205 north – Espanola, Flagler County Recreation Area and Fairgrounds
	​	141.209	227.254	CR 302 west
	Bunnell	144.560	232.647	US 1 north (SR 5) – St. Augustine	east end of SR 20 overlap; west end of US 1 / SR 5 overlap
		144.982	233.326	US 1 south (South State Street / SR 5) / SR 11 south (West Moody Boulevard) – Daytona Beach, DeLand	east end of US 1 / SR 5 overlap
	Palm Coast	149.71	240.93	I-95 (SR 9) – Jacksonville, Miami	I-95 exit 284
		149.977	241.365	Old Kings Road (CR 2001 south) - Palm Coast, Bulow Plantation Ruins
	Flagler Beach	151.986	244.598	John Anderson Highway (CR 201 south)
		152.54	245.49	Flagler Beach Bridge over Intracoastal Waterway
		153.173	246.508	SR A1A – Beverly Beach, Marineland, Ormond Beach, Washington Oaks Gardens State Park, Gamble Rogers State Park
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

Related routes

State Road 100 contains a total of five suffixed alternates in three counties.

Bradford County

County Road 100A
Location	Starke

County Road 100A can be found in two locations outside of Starke, Florida. The first segment is southeast of Starke on the east side of the road. It begins as Southeast Creek 100A running northeast until after the intersection with Southeast 125th Terrace, where it then turns north, winding around the farmland east of the city. Further north it crosses a railroad line at the intersection with Southeast 142nd Street. Before the intersection with Southeast 144th Street, it makes a sharp left turn where it later intersects unmarked County Road 230A, a suffixed route of State Road 230. The road continues westward to cross the same railroad line and terminates back at SR 100, but 144th Street continues westward toward Southeast Eighth Street, which crosses the CSX Wildwood Subdivision, and turns right onto Alexander Road leading to US 301.[2]

The second County Road 100A begins at US 301 as Edwards Road and runs west. From Orange Avenue it continues straight west until after it crosses a bridge over a tributary to Alligator Creek, where it leaves the city limits and approaches another railroad line that terminates at the CSX Wildwood Subdivision, and then curves to the southwest. Eventually it makes a reverse J-hook curve to the north where it crosses the aforementioned railroad line, running through the forests west of the city before re-entering the city limits where it curves to the northeast and terminates at its parent route.[2]

County Road 100A1

County Road 100A1
Location	Starke

County Road 100A1 is signed as CR 100A, and has no connection to SR 100, but it is officially recognized as CR 100A1. The road begins as a dirt road south of the city that crosses a creek leading to Lake Rowell and becomes paved. That paved section runs north between US 301 and the CSX Wildwood Subdivision. The road doesn't enter the city limits until north of Southeast 145th Terrace, and finally terminates at US 301.

Union County

County Road 100A
Location	Union County

County Road 100A is located northwest of Lake Butler. It begins at SR 100 northwest of the bridge over Swift Creek, and heads northeast into County Road 231.[3]

Columbia County

County Road 100A
Location	Watertown-Lake City

County Road 100A is known as Northwest Bascom Norris Drive, and Northeast Bascom Norris Drive. It begins at the southeast end of the concurrency of SR 100 with US 90 (SR 10) in Watertown, east of Lake City as Northeast Bascom Norris Drive. From there it runs north of US 90, intersecting with US 441 (SRs 25A/47) where it becomes Northwest Bascom Norris Drive, and eventually terminates at US 41 (SRs 25/100), where it also rejoins its parent route.[4]

References

1. FDOT straight line diagrams Archived March 6, 2014, at the Wayback Machine, accessed January 2014
2. FDOT Map of Bradford County
3. FDOT Map of Union County, Florida
4. FDOT Map of Columbia County, Florida