| County |
Location |
Mile[2] |
Intersects |
Notes |
|---|
 begins as a secondary route |
| Wayne |
Waynesboro |
0.0 |
  US 64 / SR 15 (unsigned) (Dexter L. Woods Memorial Boulevard) |
|
| Lewis |
Hohenwald |
| 28.5 |
 SR 20 (East Fourth Avenue) |
SR-20 concurrent for 0.7 mi (1.1 km) |
| 28.8 |
 SR 48 / SR 20 (South Park Street) |
SR-48 concurrent with SR-99 and SR-20 for 0.4 mi (0.64 km) |
| 29.2 |
 US 412 / SR 20 / SR 48 (Main Street) |
concurrency with SR-48 and SR-20 end |
US 412 concurrent for 41.8 mi (67.3 km) and primary route  is unsigned |
| 37.4 |
 Natchez Trace Parkway |
|
| Maury |
|
47.0 |
 SR 166 (Pisgah Ridge Road) |
|
| Columbia |
| 57.2 |
  US 43 / US 412 / SR 6 (Columbia Bypass) |
SR-99 continues into downtown Columbia concurrent with US 412 BUS |
| 59.3 |
 SR 50 west (Williamsport Pike) |
SR-50 concurrent with SR-99 and US 412 BUS for 1.1 mi (1.8 km) |
| 60.4 |
SR 50 east (James Campbell Boulevard) |
concurrency with SR-50 ends (US 412 BUS still concurrent) |
| 61.4 |
 SR 243 south (Trotwood Avenue) |
|
| 62.0 |
  US 31 / SR 7 (unsigned) (North Garden Street) |
US 31 concurrent for 1.9 mi (3.1 km) and SR-7 concurrent for 0.5 mi (0.80 km) |
| 62.5 |
SR 7 north (North James Campbell Boulevard) |
concurrency with SR-7 ends and concurrency with US 31 and US 412 BUS continues |
| 63.9 |
US 31 / US 43 / US 412 / SR 6 (unsigned) (Bear Creek Pike) |
US 412 BUS ends and SR-99 rejoins concurrency with main US 412 route/US 31 concurreny ends |
| 71.0 |
 I-65 |
|
| eastern national terminus of US 412, SR-99 signage reusmes |
|
74.9 |
  US 431 / SR 106 (unsigned) (Lewisburg and Franklin Pike) |
US 431 and SR-106 concurrent for 0.8 mi (1.3 km) |
|
75.7 |
US 431 / SR 106 (unsigned) (Lewisburg and Franklin Pike) |
US 431 and SR-106 concurrency ends |
| Marshall |
|
79.5 |
 SR 272 (Verona Caney Road) |
|
| Chapel Hill |
| 83.1 |
  US 31A / SR 11 (unsigned) (Sam Davis Highway) |
US 31A and SR-11 concurrent for 3.3 mi (5.3 km) |
| reverts to a secondary route |
| 83.9 |
 SR 270 (Old Columbia Road) |
|
| 86.4 |
US 31A (SR 11) (Nashville Highway) |
US 31A and SR-11 concurrency ends |
| Rutherford |
Eagleville |
| 92.9 |
 US 41A (SR 16) (South Main Street) |
US 41A and SR-16 concurrent for 1.5 mi (2.4 km) |
| 94.4 |
 US 41A / SR 269 (SR 16) |
US 41A and SR-16 concurrency ends and SR-269 concurrent for 5.5 mi (8.9 km) |
|
99.9 |
SR 269 (Jackson Ridge Road) |
SR-269 concurrency ends |
| Murfreesboro |
| 110.3 |
 I-24 |
|
| 111.6 |
 SR 96 (Old Fort Parkway) |
SR-96 concurrent for 0.6 mi (0.97 km) and SR-99 is unsigned |
| 112.2 |
     US 70S/US 41/US 231/SR-1(unsigned)/SR-10(unsigned) (NW Broad Street) |
US 70S and SR-1 concurrent for 1.2 mi (1.9 km), US 41 concurrent for 1.3 mi (2.1 km), US 231 and SR-10 concurrent for 0.7 mi (1.1 km), SR-96 concurrency ends |
| 112.9 |
US 231 / SR 10 (unsigned) (South Church Street) |
US 231 and SR-10 concurrency ends, US 70S, US 41, and SR-1 concurrency continues |
| 113.4 |
 US 70S / US 41 / SR 1 (unsigned) / SR 2 (unsigned) (Mercury Boulevard) |
US 70S and SR-1 concurrency ends, US 41 concurrency continues, and SR-2 concurrent for 0.1 mi (0.16 km) |
| 113.5 |
US 41 / SR 2 (unsigned) (SE Broad Street) |
US 41 and SR-2 concurrency ends |
| Cannon |
Bradyville |
128.4 |
 SR 64 (Bradyville Road) |
|
| ends as a secondary route |
|
Media related to Tennessee State Route 99 at Wikimedia Commons