Florida State Road 100

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State Road 100 marker

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
East end: SR A1A in Flagler Beach
Highway system
US 98 SR 101

State Road 100 (SR 100) is a 153 miles (246 km) long 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.

Route description[edit]

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 on the Atlantic coast.

Major intersections[edit]

County Location Mile[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
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

Related routes[edit]

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

Bradford County[edit]

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[edit]

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.[citation needed] 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[edit]

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[edit]

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[edit]