Oklahoma State Highway 99

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State Highway 99

Route information
Maintained by ODOT
Length241.5 mi[3] (388.7 km)
ExistedMay 17, 1938[1]–present
HistoryPreviously SH-48 January 19, 1927 – May 16, 1938[2]
Major junctions
South end US 377 at the Texas state line
Major intersections
North end K-99 at the Kansas state line
CountryUnited States
CountiesMarshall, Johnston, Pontotoc, Seminole, Pottawatomie, Lincoln, Payne, Creek, Pawnee, Osage
Highway system
  • Oklahoma State Highway System
SH-98 SH-100
SH-325US-377 US 385
Northbound in Seminole, Oklahoma

State Highway 99 (SH-99) is a north–south state highway through central Oklahoma. It runs from the Texas state line at Lake Texoma to the Kansas state line near Lake Hulah. It is 241.5 miles (388.7 km) long. The highway overlaps U.S. Highway 377 (US-377) for over half its length.

SH-99 continues as K-99 after crossing the border into Kansas. This road continues for 233 miles (375 km) to the Nebraska border, where it becomes Nebraska Highway 99, which lasts an additional 14 miles (23 km). Thus, SH-99 is part of a triple-state highway numbered "99", which lasts a total of 488 miles (785 km).

SH-99 began as SH-48, a short highway connecting Ada to Holdenville. This highway was gradually expanded until it became a border-to-border route. In 1938, it was renumbered to match K-99, which was renumbered from K-11 the same day.

Route description


US-377 crosses Lake Texoma on a bridge from Grayson County, Texas into Marshall County, Oklahoma. This is the southern terminus of SH-99, which will overlap with US-377 all the way to the U.S. Highway's northern terminus in Stroud, a distance of 139.91 miles (225.16 km).[4] The highways' first junction in Oklahoma is with SH-32 seven miles (11 km) south of Madill. Five miles (8.0 km) north of this intersection, US-377/SH-99 serves as the northern terminus for SH-99C, a child route of SH-99. The route then heads into Madill, where it forms a brief concurrency with US-70 and SH-199. US-377/SH-99 heads northeast out of town and enters Johnston County.[5]

West of Tishomingo, US-377/SH-99 picks up SH-22, which follows them east to the county seat. The same junction in Tishomingo where SH-22 splits away is also the northern terminus of SH-78. Eight miles (13 km) north of Tishomingo, the highway sharess a short concurrency with SH-7. US-377/SH-99 goes 18 miles (29 km) without another highway junction, which is with SH-99A, a spur to unincorporated Harden City.[5]

The highway interchanges with SH-3, a freeway at this point, near Ahloso. US-377/SH-99 merges onto the freeway, which becomes the Richardson Loop around the west side of Ada. At the southwest corner of the loop, SH-1 joins. Two miles (3.2 km) further north, an interchange serves as the western terminus of SH-19; also at this interchange, SH-3 splits into SH-3E and SH-3W, the latter of which exits the highway to overlap with SH-19. At the next interchange, SH-1 splits off, and the freeway downgrades to expressway.[5]

The highway crosses the Canadian River into Seminole County north of Byng. Just after the bridge, US-377/SH-3E/99 intersects SH-39 and SH-56; this is their eastern and western termini respectively. Near Bowlegs, SH-59 joins the concurrency, splitting off again after 3 miles (4.8 km). As the road enters Seminole, it has an interchange with US-270, where SH-3E splits off. SH-9 also is accessible by interchange in Seminole. US-377/SH-99 encounters another spur of the latter, SH-99A, in unincorporated Little. The routes then have an interchange at Interstate 40 (I-40), exit 200.[5]

US-377/SH-99 crosses over the North Canadian River and cross a panhandle of Pottawatomie County before entering Lincoln County. Just north of the county line, the highway passes through Prague. The route does not encounter another highway for 19 miles (31 km), after which lies the town of Stroud, the northern terminus of US-377.[6]

Stroud and the end of US-377

In Stroud, SH-99 has two highway junctions, one of which is the northern terminus of US-377. In central Stroud, the highway meets SH-66, formerly the celebrated Route 66. An interchange with I-44 (Turner Turnpike) is 0.4 miles (0.64 km) north of the SH-66 junction.[3]

Signage in Stroud is unclear on where the northern terminus of US-377 is, implying that it continues north of SH-66 to at least I-44. ODOT sources differ on where the northern terminus of the highway is. According to the Control Section Map Book, the north end of US-377 is at SH-66.[6] Another map published by ODOT of Stroud implies that the route extends north of the ramps to and from I-44 to at least the bridge over the turnpike.[7] The US-377 highway log shows US-377 ending at I-44.[4] The inset strip map of the Turner Turnpike on the ODOT state map omits US-377 entirely.[5]

North of Stroud

About 17 miles (27 km) north of Stroud, the now-independent SH-99 meets SH-33, which it overlaps for two miles (3.2 km) to the town of Drumright. SH-99 bypasses Drumright to the northwest, after which it meets up with an old alignment leading back to Drumright and SH-33, now numbered SH-99B but unsigned.[8] After turning back north, it crosses the Cimarron River at Oilton, and has an interchange with the Cimarron Turnpike between Jennings and Hallett.[9]

It is then concurrent with US-64 for six miles (9.7 km) before passing through Cleveland, where it crosses the Arkansas River. Throughout its final 55 miles (89 km), in Osage County, the highway passes through a relatively sparse region, though it meets SH-20 in Hominy and overlaps SH-11 south of Pawhuska (the county seat) and US-60 north of the city. Its final junction is with SH-10 10 miles (16 km) south of the Oklahoma–Kansas state line.[10]


The original SH-48

1924-standard SH-48 and SH-99 shields

State Highway 99 traces its roots back to the first State Highway 48, which was first established on January 19, 1927.[2] This highway connected Ada to Holdenville; it roughly followed present-day SH-99 until about two miles (3.2 km) north of the Canadian River, it then turned east and passed a mile (1.6 km) south of the unincorporated town of Vamoosa, after which it followed the route of today's SH-56. After 10 miles (16 km), it passed through Sasakwa, in which it turned north and ended at the original SH-3, at the intersection called "Five-Mile Corner", west of Holdenville.[11] The 1928 state highway map shows the highway extended to SH-9 (now US-62) near Prague along the present-day SH-99 alignment, with the Canadian River crossing as a toll bridge.[12] By January 1, 1929, the route had been realigned to pass through Konawa.[13] The old designation between the Canadian River and SH-3 was replaced shortly after by SH-56.

In 1931, SH-48 was greatly expanded. The route was extended northward to US-66 in Stroud.[14] At its southern end, it was extended along a new alignment, which began at SH-19, present day SH-3, southeast of Ada and ran through Tishomingo and Madill to end at the Red River northwest of Denison, Texas, where it met Texas State Highway 91. Also that year, a second section of SH-48 was established, taking over a large portion of what was then SH-25; the remainder of the route was integrated into US-60.[14]

On March 1, 1932, a new section of road was designated as State Highway 48, connecting Stroud to SH-33 west of Drumright.[2] As a result, the SH-48 designation was able to follow existing roads to link up with its previously-disconnected northern section. Thus, SH-48 became a border-to-border highway, linking Texas and its SH-91 to K-11 at the Kansas state line.[15]

Renumbering and realignments

On May 17, 1938, both Kansas and Oklahoma renumbered K-11 and OK-48 respectively to bear the number 99, providing continuity between the states.[1] At this time, SH-99 followed the same basic corridor of the present-day route from Madill north to Kansas. However, SH-48's designation was still in use from May 1938 to February 1941. The SH-48 designation was then made into the route passing through Konawa, which the SH-99 designation bypassed. After SH-48 was discontinued, however, it would only remain discussed for just under three years, SH-48 resurfacing for a route only 13 miles (21 km) east of SH-99.[2] The portion of SH-48 from SH-99 to Konawa would later become part of SH-39.[1]

In January 1944, Denison Dam was placed into operation, creating Lake Texoma. As a result, a portion of SH-99 between Madill and Texas was inundated.[16] On May 5, 1958, the route was realigned to once again reach Texas;[1] it now crossed a bridge further upstream, connecting to Texas State Highway 10,[17] which was subsequently renumbered to Texas State Highway 99.[18]

The existing route of SH-99 (concurrent with SH-3) veered west by about 4 miles (6.4 km) to once again serve the town of Konawa before cutting back northeast to continue the highway's previous heading.[5][19] This was remedied on December 9, 1968, when the highway was changed to a straighter alignment bypassing Konawa. The old road heading west into Konawa became part of SH-39.[1]

Another bypass occurred in 1977, this time in Drumright. SH-99 was changed to bypass the town on February 7, 1977, and the old alignment that was not part of SH-33 became SH-99B.[1]

Designation as US-377

The Oklahoma Department of Highways had proposed portions of State Highway 99 for inclusion in the United States Numbered Highway System several times. One such application made in 1953 suggested that the entirety of SH-99 become a U.S. Route, while another suggested a northern terminus at US-64 near Cleveland. On June 18, 1964, the American Association of State Highway Officials (AASHO, later the American Association of State Highway and Transpiration Officiations, AASHTO) accepted an extension of US-377 from Texas to US-70 in Madill. The Department of Highways, and later the Department of Transportation, submitted an application to extend US-377 from Madill to US-64 in Cleveland eight times between December 1964 and 1980.[20]

In 1991, ODOT signed the route to Stroud along SH-99 without AASHTO approval.[21]


SH-99 has two lettered spurs:

  • SH-99A is a designation for two distinct highways:
  • SH-99B has one previous and one present highway
    • A 1.09 miles (1.75 km)-long highway in Drumright, connecting SH-33 north to SH-99, forming the east edge of a loop around town.[8] It is a former alignment of SH-99.
    • Former route commissioned in 1948 connecting Bowlegs to Wewoka. It was renumbered to SH-59 in 1965 to extend SH-59 from its former terminus 3 miles north of Bowlegs
  • SH-99C connects US-377/SH-99 in Madill to SH-32 near Lake Texoma.
  • SH-99D was a loop north of Hominy, Oklahoma serving the nearby state prison, Connors Correctional Center. The loop was decommissioned in the 1990s, and the bridge over Bird Creek is no longer passable.[22]

Junction list

All exits are unnumbered.

Lake Texoma0.00.0
US 377 south
Continuation into Texas
Willis Bridge; Oklahoma–Texas line; southern end of US-377 concurrency
Marshall9.214.8 SH-32 – Lebanon, Kingston
SH-99C south – Lebanon
Northern terminus of SH-99C
US 70 east (1st Street south) – Kingston, Durant
Southern end of US-70 concurrency

US 70 west / SH-199 west (1st Street north) – Mannsville, Ardmore
Northern end of US-70 concurrency; southern end of SH-199 concurrency

SH-199 east – Little City
Northern end of SH-199 concurrency
SH-22 west – Ardmore
Southern end of SH-22 concurrency

SH-22 east / SH-78 south (Main Street)
Northern end of SH-22 concurrency
SH-7 west – Reagan, Sulphur
Southern end of SH-7 concurrency
SH-7 east – Atoka
Northern end of SH-7 concurrency
SH-99A east
Western terminus of SH-99A
SH-3 east – Coalgate, Atoka
Interchange, south end of SH-3 overlap; south end of freeway section
AdaStonecipher Boulevard
SH-3 west (J.A. Richardson Loop west) – Shawnee, Oklahoma City
Northbound left exit and southbound left entrance; north end of freeway section; northern end of SH-3 concurrency
SH-1 east – McAlester
Southern end of SH-1 concurrency

SH-1 west / SH-3E (J.A. Richardson Loop south) to SH-3W / SH-19 – Pauls Valley, Shawnee
Interchange; northern end of SH-1 concurrency; southern end of SH-3E concurrency
Canadian RiverAbbott-Haney Bridge

SH-39 west / SH-56 north – Konawa, Wewoka
Western terminus of SH-56; eastern terminus of SH-39
SH-59 east – Bowlegs, Wewoka
Southern end of SH-59 concurrency
SH-59 west – Maud
Northern end of SH-59 concurrency
US 270 west / SH-3E (Broadway Avenue)
Northern end of SH-3E concurrency
103.9167.2 SH-9 (Wrangler Boulevard) – Norman, Eufaula
Little110.9178.5 SH-99A – Shawnee, Cromwell
113.4182.5 I-40 – Oklahoma City, Fort SmithInterchange; I-40 exit 200
North Canadian RiverSeminolePottawatomie county line
LincolnPrague120.9194.6 US 62 (Main Street)
Stroud139.5224.5 SH-66 (Main Street)Former US 66
US 377 ends / I-44 / Turner Turnpike – Oklahoma City, Tulsa
Toll entrance to I-44/Turner Tpke.; I-44 exit 179; ODOT lists this as northern terminus of US-377[4]
SH-33 west – Cushing
Southern end of SH-33 concurrency

SH-33 east / SH-33 Truck begins – Drumright, Tulsa
Northern end of SH-33 concurrency, southern end of SH-33 Truck concurrency; western terminus of SH-33 Truck

SH-33 Truck east (SH-99B south) to SH-16
Northern end of SH-33 Truck concurrency
168.6271.3 SH-51 – Yale, Stillwater, Mannford, Tulsa
Pawnee175.7282.8 US 412 / Cimarron Turnpike – Enid, TulsaCimarron Turnpike exit 48
US 64 west – Pawnee
Southern end of US-64 concurrency

US 64 east to SH-48 – Tulsa
Northern end of US-64 concurrency
Arkansas RiverBridge
OsageHominy196.3315.9 SH-20 – Fairfax, Skiatook
SH-11 east – Barnsdall
Southern end of SH-11 concurrency

US 60 west / SH-11 west – Pawhuska, Ponca City
Northern end of SH-11 concurrency, southern end of US-60 concurrency
US 60 east – Bartlesville
Northern end of US-60 concurrency
SH-10 east
Western terminus of SH-10
K-99 north
Continuation into Kansas
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c d e f Oklahoma Department of Transportation (n.d.). "Memorial Dedication and Revision History, SH 99". Oklahoma Department of Transportation. Retrieved December 22, 2009.
  2. ^ a b c d Oklahoma Department of Transportation (n.d.). "Memorial Dedication and Revision History, SH 48". Oklahoma Department of Transportation. Retrieved December 22, 2009.
  3. ^ a b c Google (January 7, 2013). "Oklahoma State Highway 99" (Map). Google Maps. Google. Retrieved January 7, 2013.
    Google (January 8, 2013). "Oklahoma State Highway 99" (Map). Google Maps. Google. Retrieved January 8, 2013.
  4. ^ a b c Oklahoma Department of Transportation (November 21, 2002). "State Highway System: Log of U.S. Highway 377" (PDF). Oklahoma Department of Transportation. Retrieved January 7, 2013.
  5. ^ a b c d e f Oklahoma Department of Transportation (2008). Official State Map (PDF) (Map). Oklahoma Department of Transportation. Retrieved December 23, 2009.[permanent dead link]
  6. ^ a b Oklahoma Department of Transportation (2008). "Lincoln 41" (PDF) (Map). 2008 Control Section Maps. Oklahoma Department of Transportation. Retrieved December 23, 2009.
  7. ^ Oklahoma Department of Transportation (1990). City of Stroud (PDF) (Map). Oklahoma Department of Transportation. Retrieved December 24, 2009.
  8. ^ a b Oklahoma Department of Transportation (2008). "Creek 19" (PDF) (Map). 2008 Control Section Maps. Oklahoma Department of Transportation. Retrieved December 23, 2009.
  9. ^ Oklahoma Department of Transportation (2008). "Pawnee 59" (PDF) (Map). 2008 Control Section Maps. Oklahoma Department of Transportation. Retrieved December 23, 2009.
  10. ^ Oklahoma Department of Transportation (2008). "Osage 57" (PDF) (Map). 2008 Control Section Maps. Oklahoma Department of Transportation. Retrieved December 23, 2009.
  11. ^ Oklahoma State Highway Department (1927). Oklahoma State Highway System (PDF) (Map). Oklahoma State Highway Department. Retrieved December 23, 2009.
  12. ^ Oklahoma State Highway Department (1928). Oklahoma State Highway System (PDF) (Map). Oklahoma State Highway Department. Retrieved December 23, 2009.
  13. ^ Oklahoma State Highway Department (January 1, 1929). Map Showing Condition of Improvement of the State Highway System (PDF) (Map). Oklahoma State Highway Department. Retrieved December 23, 2009.
  14. ^ a b Oklahoma State Highway Department (December 31, 1931). Map Showing Condition of Improvement of the State Highway System (PDF) (Map). Oklahoma State Highway Department. Retrieved December 23, 2009.
  15. ^ Oklahoma Department of Highways (June 1932). Map Showing Condition of Improvement of the State Highway System (PDF) (Map). Oklahoma Department of Highways. Retrieved December 23, 2009.
  16. ^ Oklahoma Department of Highways (June 1944). Map Showing Condition of Improvement of the State Highway System (PDF) (Map). Oklahoma Department of Highways. Retrieved December 23, 2009.
  17. ^ Oklahoma Department of Highways (1961). Oklahoma 1961 Road Map (PDF) (Map). Oklahoma Department of Highways. Retrieved December 23, 2009.
  18. ^ Oklahoma Department of Highways (1964). Oklahoma-1964 (PDF) (Map). Oklahoma Department of Highways. Retrieved December 23, 2009.
  19. ^ Oklahoma Department of Highways (April 1939). Map Showing Condition of the State Highway System (PDF) (Map). Oklahoma Department of Highways.
  20. ^ Oklahoma Department of Transportation (n.d.). "Memorial Dedication and Revision History, US 377". Oklahoma Department of Transportation. Retrieved December 23, 2009.
  21. ^ Sanderson, Dale. "End of US-377". USEnds. Archived from the original on December 2, 2010. Retrieved December 23, 2009.
  22. ^ a b "Defunct Oklahoma State Highways". Roadklahoma. Archived from the original on April 17, 2003.

External links