Colorado State Highway 257

State Highway 257 (SH 257) is an 18.478-mile-long (29.737 km) state highway in Colorado's Front Range. It is located entirely in Weld County. SH 257's western terminus is at SH 60 in Milliken, and the eastern end is at SH 14 north of Windsor.

State Highway 257
Map of Weld County in northern Colorado with SH 257 highlighted in red
Route information
Maintained by CDOT
Length18.478 mi[1] (29.737 km)
Major junctions
South end SH 60 in Milliken
  US 34 in Greeley
North end SH 14 north of Windsor
Location
CountiesWeld
Highway system
Colorado State Highways
SH 239 SH 263

Route description

The route begins at SH 60 in the western part of Milliken, a town in central Weld County. It then heads northward, crosses the Big Thompson River, a tributary of the South Platte River then enters Greeley.

At Greeley, SH 257 has two interchanges with US 34[2] and U.S. Route 34 Business (US 34 Bus.). Because the intersection is so close to the terminus of US 34 Bus., the two interchanges are just 0.3 miles apart.[3] Both are diamond interchanges, but at US 34 there are only entrance ramps from the east side.[3]

The snow-capped peaks of the Front Range. Also visible is a bike path near SH 257 in Windsor.

It then heads northward, and begins to curve northwest[4] over the Cache la Poudre River and into Windsor. It intersects SH 392 and abruptly turns west, beginning a concurrency at Main Street; about a mile later SH 257 abruptly turns back northward at 7th Street, ending the concurrency. It then heads all the way north to SH 14, where it terminates. No towns exist on the route from Windsor to SH 14.

History

The route was established in 1939 with several differences. The route went north to Windsor from Milliken, then turning west to SH 185. SH 185 was then deleted and replaced with Interstate 25, and SH 257 was readjusted so that it went north to SH 14. The route was paved by 1954. A spur south of Johnstown was eliminated a year later. The interchanges at US 34 and BR 34 were built in 1998.[5]

In November 2009, a new traffic signal was installed at the intersection with Garden Drive in Windsor. The construction cost about $350,000.[6]

Future

Because of congestion around the US 34 and BR 34 interchanges, a bus rapid transit system has been planned to be built in Greeley.[3]

Major intersections

The entire route is in Weld County.

LocationmikmDestinationsNotes
Milliken0.0000.000 SH 60Southern terminus
Greeley5.1248.246 US 34
5.4238.727
US 34 Bus.
Windsor10.59517.051 SH 392 eastSouthern end of SH 392 concurrency
11.58018.636 SH 392 westNorthern end of SH 392 concurrency
18.48729.752 SH 14Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. Colorado Department of Transportation. "Segment list for SH 257". Retrieved 2010-04-03.
  2. Colorado Department of Transportation. "Interchange Information for Highway 257". Retrieved 040-05-2010. Check date values in: |accessdate= (help)
  3. Colorado Department of Transportation. "US 34 and SH 257 BRT Station DEIS Evaluation" (PDF). Retrieved 04-05-2010. Check date values in: |accessdate= (help)
  4. The United States (Map). National Geographic. October 2006.
  5. Salek, Matthew E. (01-30-10). "Colorado Routes 234-266". Retrieved April 3, 2010. Check date values in: |date= (help)
  6. Colorado Department of Transportation. "State Highway 257 at Garden Drive in Windsor - CDOT". Retrieved 04-05-2010. Check date values in: |accessdate= (help)
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