Oklahoma State Highway 151
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| Route information | ||||
| Maintained by ODOT | ||||
| Length: | 2.30 mi (3.70 km) | |||
| Existed: | 1964 – present | |||
| Major junctions | ||||
| South end: |
 SH-51 east of Mannford
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| North end: |
  US-64/412 west of Sand Springs
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| Highway system | ||||
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Oklahoma State Highway System
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State Highway 151 (abbreviated SH-151 or OK-151) runs 2.30 miles (3.70 km) across Keystone Dam in northeastern Oklahoma. Its entire length is within Tulsa County. The route has no lettered spur routes.
SH-151 was ostensibly assigned to Keystone Dam upon its completion in 1964.
State Highway 151 begins at a trumpet interchange with SH-51 east of Mannford. While elevated from this interchange, the highway crosses the BNSF Railway. SH-151, running north-northeast, then serves as the eastern boundary of Keystone State Park. It then runs across the top of Keystone Dam; on the west side of the dam lies Keystone Lake, while on the east side is the Arkansas River. After crossing the dam, the route ends at US-64/US-412 at another trumpet interchange, west of Sand Springs.
Keystone Dam was completed in 1964. The dam was first shown as a state highway on the 1965 state highway map. No SH-151 shield was shown on this map, however; presumably it was omitted for space reasons. The highway would remain unlabeled on the official state maps until the 2008 edition.
The entire route is in Tulsa County.
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Wikipedia