State Road 100 (SR 100) is a east–west highway serving northeast

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...

. Its western terminus is at the

Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...

border north of

Avoca, Florida Avoca is an unincorporated community in Hamilton County, Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north ...

(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 U.S. Route 41, also U.S. Highway 41 (US 41), is a major north–south United States Numbered Highway that runs from Miami, Florida, to the Upper Peninsula of Michigan. Until 1949, the part in southern Florida, from Naples to Miami, ...

and

US 129 U.S. Route 129 (US 129) is an auxiliary route of US 29, which it intersects in Athens, Georgia. US 129 currently runs for from an intersection with US 19/ US 27 ALT/ US 98 in Chiefland, Florida, to an interchange ...

, both of which run north–south.

Route description

The northernmost of SR 100 are signed (north–south) as

. For in

Jasper Jasper, an aggregate of microgranular quartz and/or cryptocrystalline chalcedony and other mineral phases,Kostov, R. I. 2010. Review on the mineralogical systematics of jasper and related rocks. – Archaeometry Workshop, 7, 3, 209-213PDF/ref> ...

, it merges with

( SR 25) before separating from US 129 (which has the hidden

Florida Department of Transportation The Florida Department of Transportation (FDOT) is a decentralized agency charged with the establishment, maintenance, and regulation of public transportation in the state of Florida. The department was formed in 1969. It absorbed the powers of t ...

designation SR 51 between the split and

Live Oak Live oak or evergreen oak is any of a number of oaks in several different sections of the genus ''Quercus'' that share the characteristic of evergreen foliage. These oaks are not more closely related to each other than they are to other oaks. ...

). East of Lake City, SR 100 is signed east–west as it continues along a northwest–southeast pathway toward the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

, serving, amongst other municipalities, Lake Butler, Starke,

Keystone Heights Keystone Heights is a city located in southwestern Clay County, Florida, United States. The population of the city was 1,446 at the 2020 census. The city's name is derived from the state of Pennsylvania's nickname, the "Keystone State". History ...

, and Putnam Hall before merging with

US 17 U.S. Route 17 or U.S. Highway 17 (US 17), also known as the Coastal Highway, is a north–south United States Highway that spans in the southeastern United States. It runs close to the Atlantic Coast for much of its length, with ...

(hidden

SR 15 Route 15, or Highway 15, can refer to: For roads named A15, see A15 roads. International * Asian Highway 15 * European route E15 * European route E015 Australia New South Wales * Hunter Expressway * New England Highway and other local Ne ...

) on Reid Street in Palatka, just west of their bridge crossing at

St. Johns River The St. Johns River ( es, Río San Juan) is the longest river in the U.S. state of Florida and its most significant one for commercial and recreational use. At long, it flows north and winds through or borders twelve counties. The drop in eleva ...

. State Road 100 separates from US 17/SR 15 in San Mateo and continues in a more easterly direction through Shell Bluff,

Bimini Bimini is the westernmost district of the Bahamas and comprises a chain of islands located about due east of Miami. Bimini is the closest point in the Bahamas to the mainland United States and approximately west-northwest of Nassau. The populat ...

, Bunnell (where SR 100 overlaps

U.S. Route 1 U.S. Route 1 or U.S. Highway 1 (US 1) is a major north–south United States Numbered Highway that serves the East Coast of the United States. It runs from Key West, Florida, north to Fort Kent, Maine, at the Canadian border, making i ...

/ SR 5 for a mile) and

Palm Coast Palm Coast is a city in Flagler County, Florida. As of the 2010 United States Census, the population was 75,180, more than twice the 32,832 counted in 2000. The population was estimated to be 89,800 in 2019. It is the most populous city in Flagler ...

before it reaches SR A1A in Flagler Beach on the Atlantic coast.

Major intersections

Related routes

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

Bradford County

County Road 100A can be found in two locations outside of

Starke, Florida Starke is a city in and the county seat of Bradford County, Florida, United States. The population was 5,796 at the 2020 census. The origin of the city's name is disputed. Starke may have been named in honor of local landowner George W. Cole's ...

. 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 CSX Transportation , known colloquially as simply CSX, is a Class I freight railroad operating in the Eastern United States and the Canadian provinces of Ontario and Quebec. The railroad operates approximately 21,000 route miles () of track. ...

Wildwood Subdivision, and turns right onto Alexander Road leading to

US 301 U.S. Route 301 (US 301) is a spur of U.S. Route 1 running through the South Atlantic States. It runs from Biddles Corner, Delaware at Delaware Route 1 to Sarasota, Florida at U.S. Route 41. It passes through the states of Delaware, Mar ...

.FDOT Map of Bradford County
/ref> 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.

County Road 100A1

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 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.

Columbia County

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 U.S. Route 90 or U.S. Highway 90 (US 90) is an east–west major United States highway in the Southern United States. Despite the "0" in its route number, US 90 never was a full coast-to-coast route. With the exception of a short-lived ...

(SR 10) in

Watertown Watertown may refer to: Places in China In China, a water town is a type of ancient scenic town known for its waterways. Places in the United States *Watertown, Connecticut, a New England town **Watertown (CDP), Connecticut, the central village ...

, east of Lake City as Northeast Bascom Norris Drive. From there it runs north of US 90, intersecting with

US 441 U.S. Route 441 (US 441) is a auxiliary route of U.S. Route 41. It extends from US 41 in Miami, Florida to US 25W in Rocky Top, Tennessee. Between its termini, US 441 travels through the states of Florida, Georgia, North ...

(SRs 25A/47) where it becomes Northwest Bascom Norris Drive, and eventually terminates at

(SRs 25/100), where it also rejoins its parent route.FDOT Map of Columbia County, Florida
/ref>

References

{{Reflist 100 100 100 100 100 100 100 100 Palm Coast, Florida