State Highway 73 (abbreviated SH-73 or OK-73) is a 24½ mi
(39.4 km)
state highway
A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either Route number, numbered or maintained by a sub-national state or province. A road numbered ...
mostly in
Custer Co.,
Oklahoma
Oklahoma ( ; Choctaw language, Choctaw: , ) is a landlocked U.S. state, state in the South Central United States, South Central region of the United States. It borders Texas to the south and west, Kansas to the north, Missouri to the northea ...
, although a stretch of about four-fifths of a mile (1.3 km) of its eastbound lane lies in
Roger Mills Co. SH-73 has no lettered spur routes.
Route description

State Highway 73 begins at
State Highway 34 south of
Hammon. The western terminus of the highway occurs at a jog in the Roger Mills–Custer county line; north of the intersection, SH-34 runs along the north–south boundary, and at the intersection, the boundary makes a ninety-degree turn to head east–west. The first of SH-73 straddles the county line.
The county line makes another turn after this to return to a north–south orientation, and SH-73 fully enters Custer County.
In Custer County, SH-73 travels through hilly terrain and crosses both Panther Creek and Little Panther Creek, tributaries of
Foss Lake
Foss Reservoir, also known as Foss Lake, is in Custer County, Oklahoma on the Washita River, about west of Clinton, Oklahoma. The reservoir was constructed during 1958–1961 by the U. S. Bureau of Reclamation. The project was known originally ...
. SH-73 serves the southwestern portion of the lake, and runs along the edges of Foss State Park. The highway provides connections to four campgrounds along the lakeshore.
Near the southeast corner of the lake, the route intersects
SH-44.
SH-73 turns south along SH-44, forming a
concurrency
Concurrent means happening at the same time. Concurrency, concurrent, or concurrence may refer to:
Law
* Concurrence, in jurisprudence, the need to prove both ''actus reus'' and ''mens rea''
* Concurring opinion (also called a "concurrence"), a ...
. The two routes curve southwest to cross Oak Creek. SH-44/73 travel together for
before SH-73 splits off, returning to a due east course. The highway parallels
I-40
Interstate 40 (I-40) is a major east–west transcontinental Interstate Highway in the southeastern and southwestern portions of the United States. At a length of , it is the third-longest Interstate Highway in the country, after I-90 and ...
, which runs to the south of SH-73. SH-73 then bridges the
Washita River
The Washita River () is a river in the U.S. states of Texas and Oklahoma. The river is long and terminates at its confluence with the Red River of the South, Red River, which is now part of Lake Texoma () on the TexasOklahoma border.
Geogra ...
. West of Clinton, the highway crosses a set of railroad tracks at the unincorporated locale of
Ralph
Ralph (pronounced or ) is a male name of English origin, derived from the Old English ''Rædwulf'' and Old High German ''Radulf'', cognate with the Old Norse ''Raðulfr'' (''rað'' "counsel" and ''ulfr'' "wolf").
The most common forms are:
* Ra ...
.
State Highway 73 then enters Clinton, where it comes to an end at an intersection with I-40's Clinton business loop.
Junction list
{{jctbtm, keys=concur
References
External links
SH-73 at Roadklahoma
073
Transportation in Custer County, Oklahoma