Oklahoma State Highway 325

State Highway 325, officially, SH-325, is a state highway in the U.S. state of Oklahoma. SH-325 runs for 38.08 miles (61.28 km) through Cimarron County, Oklahoma, from a continuation of New Mexico State Road 456 at the New Mexico border west of Kenton to the traffic circle in Boise City. Along the way it provides access to Black Mesa State Park, near Black Mesa, the highest point in the state of Oklahoma.

State Highway 325
SH-325 highlighted in red
Route information
Maintained by ODOT
Length38.08 mi[1] (61.28 km)
Major junctions
West end NM 456 at the New Mexico state line
East end US-56/US-64/US-385/US-412/SH-3 in Boise City
Highway system
Oklahoma State Highway System
← US 287→ US 377

Route description

SH-325 begins at the tip of the Oklahoma Panhandle, where NM 456 crosses into Oklahoma from Union County, New Mexico. Just east of the state line, the highway bridges Carrizozo Creek, just upstream of where it empties into the Cimarron River.[2] Just east of the state line, SH-325 passes through the town of Kenton. Further east of Kenton, the highway crosses over Tesesquite Creek and South Carrizo Creek, both tributaries of the Cimarron River. After crossing South Carrizo Creek, the road gradually curves onto a south–north alignment.[2]

SH-325 heads south for about 12 miles (19 km), crossing the intermittent Cold Springs Creek. The road then turns east. The remainder of the route is a mostly flat, straight shot into Boise City, with a minor curve to the west of town where it crosses a railroad track. The route ends at the traffic circle surrounding the Cimarron County Courthouse in downtown Boise City.[2]

History

The road between Kenton and Boise City that is now SH-325 has carried a bevy of designations, and has been intermittently included and excluded from the state highway system over the years. The road was first numbered as a state route in 1926, when the original SH-11 was extended west from its original terminus in Boise City. At the same time, the U.S. route system was being introduced to Oklahoma, and under this new system, the highway received the additional designation as US-64.[3] On the 1928 official state map, this portion of highway is marked as "Not maintained", though the route continued to carry both highway designations.[4]

By 1930, the road was once again state-maintained, and the old SH-11 designation had been done away with as the U.S. route system established itself and superseded the now-redundant state highway numbers that it replaced.[5] US-64, using the Kenton route, would continue to serve as the only state highway connection to New Mexico until the middle of the century.

On July 7, 1947, US-64 was shifted onto a new road that had opened, extending southwest from Boise City and crossing into New Mexico near the southwest corner of the Panhandle.[6] This left the route to Kenton without a designation, which it would lack for the rest of the 1940s, the 1950s, and most of the 1960s.

Kenton was briefly reconnected to the state highway system when State Highway 134 was designated along the old alignment of US-64. This highway was only shown on the 1963 state highway map, implying that it was commissioned the year before and revoked sometime that year. By the time SH-134 was designated, the highway had been fully paved.[7] When SH-134 was decommissioned, its alignment continued to persist on the state highway map, with the legend "(not on highway system)" and no shields.[8]

The old US-64 route to Kenton finally received its present-day designation in 1973, when it was numbered after the already-existing NM 325, which once extended to the Oklahoma state line.[9]

Junction list
CountyLocationmi[1]kmDestinationsNotes
New Mexico–Oklahoma state line0.000.00 NM 456 continues west into New Mexico
CimarronBoise City38.0861.28 US 56 / US 64 / US 385 / US 412 / SH-3Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References
  1. 2008 Control Section Maps (PDF) (Map). Oklahoma Department of Transportation. p. Cimarron. Retrieved April 2, 2010.
  2. Oklahoma Atlas and Gazetteer (Map). 1:200,000. DeLorme. 2006. pp. 12–13.
  3. Oklahoma State Highway System (PDF) (Map) (1927 ed.). Oklahoma State Highway Department. Retrieved April 3, 2010.
  4. Oklahoma State Highway System (PDF) (Map) (1928 ed.). Oklahoma State Highway Department. Retrieved April 3, 2010.
  5. Map Showing Condition of Improvement of the State Highway System (PDF) (Map) (March 1, 1930 ed.). Oklahoma State Highway Department. Retrieved April 3, 2010.
  6. Oklahoma Department of Transportation. "Memorial Dedication and Revision History, US 64". Oklahoma Department of Transportation. Retrieved April 2, 2010.
  7. Oklahoma 1963 (PDF) (Map). Oklahoma Department of Highways. Retrieved April 3, 2010.
  8. Oklahoma 1964 (PDF) (Map). Oklahoma Department of Highways. Retrieved April 3, 2010.
  9. Official State Highway Map (PDF) (Map) (1974 ed.). Oklahoma Department of Highways. Retrieved April 3, 2010.

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