State Highway 73 marker

State Highway 73

Route information
Maintained by ODOT
Length24.5 mi (39.4 km)
Major junctions
West end SH-34 north of Elk City
East end I-40 BL in Clinton
Location
CountryUnited States
StateOklahoma
Highway system
  • Oklahoma State Highway System
← SH-72→ SH-74

State Highway 73 (abbreviated SH-73 or OK-73) is a 24½ mi[1] (39.4 km) state highway mostly in Custer Co., Oklahoma, 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

SH-73's eastern terminus as viewed from I-40 BUS in Clinton.

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 0.8 miles (1.3 km) of SH-73 straddles the county line.[2] 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. 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.[2] Near the southeast corner of the lake, the route intersects SH-44.

SH-73 turns south along SH-44, forming a concurrency. The two routes curve southwest to cross Oak Creek. SH-44/73 travel together for 2 miles (3.2 km)[3] before SH-73 splits off, returning to a due east course. The highway parallels I-40, which runs to the south of SH-73. SH-73 then bridges the Washita River. West of Clinton, the highway crosses a set of railroad tracks at the unincorporated locale of Ralph.[2] State Highway 73 then enters Clinton, where it comes to an end at an intersection with I-40's Clinton business loop.

Junction list

CountyLocationmi[1]kmDestinationsNotes
Roger Mills–Custer
county line		​0.00.0 SH-34 – Elk City, HammonWestern terminus; motorists making westbound SH-73 to northbound SH-34 movements will remain within Custer County
Custer​12.119.5
 SH-44 north – Butler		Northern end of SH-44 concurrency
​13.922.4
 SH-44 south – Foss		Southern end of SH-44 concurrency
Clinton24.539.4 I-40 BL (W. Gary Boulevard)Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. 1 2 Stuve, Eric. "OK-73". OKHighways.com.
  2. 1 2 3 Oklahoma Atlas and Gazetteer (Map). 1:200,000. DeLorme. 2006.
  3. ↑ Oklahoma Official State Map (Map) (2008 ed.). Oklahoma Department of Transportation.
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