Florida State Road 121

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State Road 121 marker

State Road 121
Route information
Maintained by FDOT
Length101.867 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 120SR 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/US 98 and County Road 336 (CR 336) in Levy County, SR 121 travels through Goethe State Forest where it turns east and intersects CR 337. The road makes a sharp left curve to the northeast where it travels through desolate farmland; the only resemblance to a major intersection is CR 326. Within the city of Williston, SR 121 has a concurrency with 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 US 27 Alternate (US 27 Alt.), and then the US 27/US 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 (I-75), 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 3 Nuclear Power Plant and Santa Fe River in Worthington Springs, where it intersects SR 18.

Briefly traveling parallel to SR 100 in Lake Butler, it intersects SR 100 as it continues northeast. The road also intersects SR 16 in Raiford, and I-10 and US 90 in Macclenny close to SR 228 before crossing the Georgia state line 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]

CountyLocationmi[1]kmDestinationsNotes
LevyLebanon Station0.000–
0.135
0.000–
0.217
US 19 / US 98 (SR 55) / CR 336 east – Inglis, St. Petersburg, Chiefland
5.0868.185 CR 337 – Bronson
8.35413.444 CR 464 east
11.57318.625 CR 326 – Henry Beck Park
16.80827.050 CR 316 west (Northeast 20th Street)
17.95928.902 CR 335A north (Northeast 167th Court)
Williston20.22432.547 US 41 south (SR 45) / CR 316 east (Northeast 30th Street) – Morriston, Dunnellon, Tampasouth end of US 41 / SR 45 overlap
21.03433.851
US 27 Alt. north (SR 500) – Bronson
south end of US 27 Alt. / SR 500 overlap
21.55934.696 US 27 south (Noble Avenue / SR 500) – Ocalanorth end of US 27 Alt. / SR 500 overlap; south end of US 27 overlap
21.97935.372 US 27 north / US 41 north (North Main Street / SR 45) – Archernorth end of US 27 / US 41 / SR 45 overlap
22.91436.877 CR 318A (Mixson Road / Northeast 50th Street)
23.88538.439 CR 331A south
26.01841.872 CR 335 (Northeast 75th Street)
28.28445.519 CR 320 east
Alachua30.20548.610 CR 346 west
32.23151.871 CR 346A west (Southwest 137th Avenue)
Gainesville32.9853.08 I-75 (SR 93) – Lake City, Tampa, truck route to SR 24 west / SR 26 westI-75 exit 382
38.15761.408 SR 331 north (Williston Road) to US 441 / US 301 – Gainesville, truck route to SR 121 north / SR 24 east / SR 26 east
39.76563.996 SR 24 (Archer Road) to I-75 – Archer, Waldo
41.36966.577 SR 26A (Southwest 2nd Avenue)
41.48966.770 SR 26 (West University Avenue)
44.01770.838 SR 222 (Northwest 39th Avenue) to I-75 – Orange Heights
45.29072.887 CR 232 (Northwest 53rd Avenue)
46.20074.352 US 441 (SR 20 / SR 25) – Alachua, Gainesville, truck route to SR 121 south
49.30379.345 CR 231 north
LaCrosse55.92289.998 SR 235 south – Alachuasouth end of SR 235 overlap
56.17690.407 SR 235 north – Brookernorth end of SR 235 overlap
56.51390.949 CR 1493 north
Santa Fe59.28195.404 CR 236 west
61.62099.168 CR 239 south
UnionWorthington Springs62.703100.911 SR 18 east – Brooker
63.726102.557 CR 18 west – Fort White
Dukes65.622105.608 CR 18A east / CR 239A west
66.908107.678 CR 231A east / CR 796 west (Southwest 76th Street)
Lake Butler70.913114.123 SR 231 (Dr. M.L. King Jr. Avenue)
72.307116.367 SR 100 – Lake City, Starke
Johnstown76.748123.514 CR 237 south
Raiford78.752126.739 CR 229
79.618128.133 SR 16 east – State Prison, Starke
83.245133.970 CR 125 south
Baker89.612144.217 CR 125 north – Glen St. Mary
91.524147.294 CR 130 west (Mud Lake Road)
Macclenny94.532152.135 CR 23A west (Woodlawn Road)
94.65152.32 I-10 (SR 8) – Lake City, JacksonvilleI-10 exit 335
95.600153.853 CR 23A (Lowder Street)
96.259154.914 US 90 (Macclenny Avenue / SR 10) – Glen St. Mary, Baldwin
97.449156.829 CR 23B west / CR 228 east – Baker County Fair Grounds
99.829160.659 CR 23C (Steel Bridge Road)
101.380163.155 CR 23D west
101.867163.939 SR 23 north / SR 121 north – St. George, FolkstonGeorgia 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
LocationLaCrosse

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