Florida State Road 121

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State Road 121 marker

State Road 121
Route information
Maintained by FDOT
Length: 101.867 mi[1] (163.939 km)
Major junctions
South end: US 19 / US 98 at Lebanon Station
  US 27 / US 41 in Williston
I-75 in Gainesville
I-10 in Macclenny
North end: SR 23 / SR 121 near Stokesville, GA
Highway system
SR 120 SR 122

State Road 121 (SR 121) is a major state highway that runs north and south in northern Florida. The road is part of a long multi-state route that also goes through Georgia and South Carolina.

Route description[edit]

Beginning in Lebanon Station at a channelized intersection with US 19-98 and County Road 336, State Road 121 runs through Goethe State Forest where it turns east and intersects with CR 337. The road makes a sharp left curve to the northeast where it runs through desolate farmland; the only resemblance to a major intersection is CR 326. Within the city of Williston, SR 121 overlaps CR 316, until the intersection with US 41. It then joins US 41 as CR 316 continues eastward, which then joins the east end of ALT US 27, and then the US 27-41 concurrency before breaking away to the northeast again, taking the DeSoto Trail away from US 41.

North of CR 335, SR 121 hugs the west side of the Levy-Marion County Line, but never crosses it, choosing to enter Alachua County instead. Immediately after the interchange with Interstate 75(Exit 382), SR 121 makes a sharp left onto Northwest 34th Street as SR 331 becomes the designation for Williston Road. As it crosses SR 24 it borders the University of Florida to the east until crossing SR 26A and then SR 26. North of US 441, the DeSoto Trail breaks away.

After the intersection with CR 236 in Santa Fe, SR 121 is carried along bridges across the former Seaboard Coast Line railroad line to Crystal River Nuclear Power Plant and Santa Fe River in Worthington Springs, where it intersects with SR 18.

Briefly running parallel to SR 100 in Lake Butler, it intersects with SR 100 as it continues northeast. The road also intersects SR 16 in Raiford, and Interstate 10(Exit 335) and US 90 in Macclenny close to SR 228 before crossing the Georgia border on its way to South Carolina.

History[edit]

State Road 23 was defined in the 1945 renumbering as:

  • From a point on SR 20 and SR 25 approximately 1 mile (1.6 km) northwest of Paradise in a northwesterly direction to the intersection with SR 235 in LaCrosse and along SR 235 for approximately 0.07 miles (0.11 km), then continuing northwesterly via Santa Fe to a junction with SR 18 at Worthington Springs and along SR 18 to a point approximately 1 mile (1.6 km) north of Worthington Springs, then northeasterly to a junction with SR 100 in Lake Butler and East on SR 100 to a point near the eastern city limits of Lake Butler then northeasterly via Raiford to a junction with SR 10 in Macclenny and along SR 10 to 5th Street then in a northerly direction along 5th Street to the St. Mary's River at the Georgia state line.

Prior to the renumbering, this had been:

At some point, SR 23 was renumbered as part of SR 121, probably to match Georgia State Route 121. Before that, however, SR 23 had been extended around the west side of Gainesville to end at US 441/SR 25 at Rocky Point, and the southernmost part did not become part of SR 121. It was later given to the county, and has a possibility of becoming County Road 23.[clarification needed]

The State Road 23 designation has since been reused for a partial beltway around Jacksonville.

Major intersections[edit]

County Location mi[1] km Destinations Notes
Levy Lebanon Station 0.000–
0.135
0.000–
0.217
US 19 / US 98 (SR 55) / CR 336 east – Inglis, St. Petersburg, Chiefland
5.086 8.185 CR 337 – Bronson
8.354 13.444 CR 464 east
11.573 18.625 CR 326 – Henry Beck Park
16.808 27.050 CR 316 west (Northeast 20th Street)
17.959 28.902 CR 335A north (Northeast 167th Court)
Williston 20.224 32.547 US 41 south (SR 45) / CR 316 east (Northeast 30th Street) – Morriston, Dunnellon, Tampa south end of US 41 / SR 45 overlap
21.034 33.851
US 27 Alt. north (SR 500) – Bronson
south end of US 27 Alt. / SR 500 overlap
21.559 34.696 US 27 south (Noble Avenue / SR 500) – Ocala north end of US 27 Alt. / SR 500 overlap; south end of US 27 overlap
21.979 35.372 US 27 north / US 41 north (North Main Street / SR 45) – Archer north end of US 27 / US 41 / SR 45 overlap
22.914 36.877 CR 318A (Mixson Road / Northeast 50th Street)
23.885 38.439 CR 331A south
26.018 41.872 CR 335 (Northeast 75th Street)
28.284 45.519 CR 320 east
Alachua 30.205 48.610 CR 346 west
32.231 51.871 CR 346A west (Southwest 137th Avenue)
Gainesville 32.98 53.08 I-75 (SR 93) – Lake City, Tampa, truck route to SR 24 west / SR 26 west I-75 exit 382
38.157 61.408 SR 331 north (Williston Road) to US 441 / US 301 – Gainesville, truck route to SR 121 north / SR 24 east / SR 26 east
39.765 63.996 SR 24 (Archer Road) to I-75 – Archer, Waldo
41.369 66.577 SR 26A (Southwest 2nd Avenue)
41.489 66.770 SR 26 (West University Avenue)
44.017 70.838 SR 222 (Northwest 39th Avenue) to I-75 – Orange Heights
45.290 72.887 CR 232 (Northwest 53rd Avenue)
46.200 74.352 US 441 (SR 20 / SR 25) – Alachua, Gainesville, truck route to SR 121 south
49.303 79.345 CR 231 north
LaCrosse 55.922 89.998 SR 235 south – Alachua south end of SR 235 overlap
56.176 90.407 SR 235 north – Brooker north end of SR 235 overlap
56.513 90.949 CR 1493 north
Santa Fe 59.281 95.404 CR 236 west
61.620 99.168 CR 239 south
Union Worthington Springs 62.703 100.911 SR 18 east – Brooker
63.726 102.557 CR 18 west – Fort White
Dukes 65.622 105.608 CR 18A east / CR 239A west
66.908 107.678 CR 231A east / CR 796 west (Southwest 76th Street)
Lake Butler 70.913 114.123 SR 231 (Dr. M.L. King Jr. Avenue)
72.307 116.367 SR 100 – Lake City, Starke
Johnstown 76.748 123.514 CR 237 south
Raiford 78.752 126.739 CR 229
79.618 128.133 SR 16 east – State Prison, Starke
83.245 133.970 CR 125 south
Baker 89.612 144.217 CR 125 north – Glen St. Mary
91.524 147.294 CR 130 west (Mud Lake Road)
Macclenny 94.532 152.135 CR 23A west (Woodlawn Road)
94.65 152.32 I-10 (SR 8) – Lake City, Jacksonville I-10 exit 335
95.600 153.853 CR 23A (Lowder Street)
96.259 154.914 US 90 (Macclenny Avenue / SR 10) – Glen St. Mary, Baldwin
97.449 156.829 CR 23B west / CR 228 east – Baker County Fair Grounds
99.829 160.659 CR 23C (Steel Bridge Road)
101.380 163.155 CR 23D west
101.867 163.939 SR 23 north / SR 121 north – St. George, Folkston Georgia state line (St. Marys River bridge)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Road 121A[edit]

County Road 121A
Location: LaCrosse

County Road 121A is the sole suffixed alternate of SR 121 that exists within the State of Florida. It is a former segment of SR 121 that exists entirely in LaCrosse. The route is unmarked, and runs along the east side of SR 121 south of downtown to halfway between the SR 121/235 overlap across from the LaCrosse Post Office.

References[edit]

  1. ^ a b FDOT straight line diagrams Archived March 6, 2014, at the Wayback Machine., accessed January 2014