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Utah State Route 128

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For the former highway, see Utah State Route 128 (1931–1933).

State Route 128 marker
State Route 128
Upper Colorado River Scenic Byway
Dinosaur Diamond Prehistoric Highway
Map
State Route 128 highlighted in red
Route information
Maintained by UDOT
Length44.564 mi[1] (71.719 km)
Existed1933[2]–present
RestrictionsOversize vehicles, loads exceeding 55,000 pounds (24,948 kg) GVW prohibited
Major junctions
South end US 191 near Moab
North end I-70 / US 6 / US 50 near Cisco
Location
CountryUnited States
StateUtah
Highway system
  • Utah State Highway System
← SR-127→ SR-129

State Route 128 (SR-128) is a 44.564-mile-long (71.719 km) state highway in the U.S. state of Utah. The entire length of the highway has been designated the Upper Colorado River Scenic Byway, as part of the Utah Scenic Byways program. This road also forms part of the Dinosaur Diamond Prehistoric Highway, a National Scenic Byway. Residents of Moab frequently refer to SR-128 as "the river road",[3] after the Colorado River, which the highway follows.

The highway was originally constructed to connect rural cities in eastern Utah with Grand Junction, Colorado, the largest city in the region. Part of the highway was merged into the Utah state highway system in 1931; the rest was taken over by the state and assigned route number 128 in 1933. Today, the highway is used as a scenic drive for visitors to the area.[4]

The highway crosses the Colorado River at the site of the Dewey Bridge, listed on the National Register of Historic Places. This bridge was the longest suspension bridge in Utah until April 2008 when it was destroyed by a fire started by a child playing with matches.[5]

Route description

[edit]
Highway and river following a curvy, sandstone gorge
Blind corners without shoulders are common along SR-128

SR-128 begins just north of Moab, where it is commonly known as "the river road". The highway follows the southern bank of the Colorado River through a narrow, steep gorge, described as spectacular by National Geographic.[4] The sheer sandstone walls of the gorge along Route 128 are recommended for their beauty on vacation guides from as far away as France and Germany.[6][7] As parts of the road are very narrow, with blind corners and no shoulders, the Utah Department of Transportation has prohibited all vehicles over 55,000 pounds (24,948 kg) Gross Vehicle Weight from the entire highway.[8]

SR-128 along the Colorado River near Moab

Between Moab and Castle Valley, the Colorado River, and indirectly, SR-128, form the southern boundary of Arches National Park. Arches National Park is so named because of over 2000 natural arches inside park boundaries.[9] While the highway does offer views of several features in the park, there is no park access along the highway.[10] Popular attractions along this portion include Grandstaff Canyon (formerly Negro Bill Canyon), with hiking trails to Morning Glory Arch, campgrounds and boat docks at a curve in the river called Big Bend.[11]

Convent Mesa (left) and Parriott Mesa (right) seen from SR-128

The gorge widens where the highway passes by Castle Valley and Professor Valley, which have been the shooting locations for many western films (including Wagon Master and Rio Grande) and television commercials.[12] Near the east end of the valley the highway crosses Onion Creek, a stream sourced by springs that contain naturally occurring minerals that produce a strong odor in the water.[13] At the east end of the valley the highway has a view of the Fisher Towers, a set of dark red spires. After leaving the valley, the road winds farther up the river gorge until arriving at the Dewey Bridge, named for Dewey, a nearby ghost town.[14]

After the bridge, the road follows the northern bank of the river for a few miles then exits the Colorado River gorge. At this point the highway proceeds across desert towards the Book Cliffs to terminate at Interstate 70 (I-70) near Cisco.[10] Cisco is a ghost town along the main line of the Denver and Rio Grande Western Railroad, founded as a water re-filling station for steam locomotives.[14] The last 3 miles (4.8 km) of the road parallel the railroad and is an old routing of US-6/US-50, in use before the construction of I-70.[2]

History

[edit]
Highway through a sandstone gorge, with the Colorado River (not visible) next to the right side of the road.
The Fisher Towers, spires that tower over Professor Valley, as seen from SR-128

Access between Moab and Castle Valley was originally via a pack trail called the Heavenly Stairway. This trail, named for a dramatic descent of over 1,000 feet (300 m), was described as beautiful, but difficult to navigate.[14] Isolated from Utah's population centers, this area depended on Grand Junction and other cities in Colorado for both everyday supplies and a market for agricultural products.[15] Moab residents pushed for a road to be built along the riverbank. By 1902, the trail was replaced with a toll road, called King's Toll Road, after Samuel King. King was an early settler who also operated the toll ferry used prior to the construction of the Dewey Bridge. Rocks inscribed with "Kings Toll Road" can still be found along the roadway. While the road did improve travel, it was not built high enough above the river level and was often flooded.[14]

Dewey Bridge

[edit]

The Dewey Bridge, built in 1916, originally carried SR-128 across the Colorado River.[16] The bridge featured an all wood deck measuring 502 feet (153 m) long, 10.2 feet (3.1 m) wide from support to support and 8 feet (2.4 m) wide from rail to rail. The bridge also consisted of two metal towers, a run of seven cables on each side of the bridge deck, and cable anchors.[14]

A view of a cable suspension bridge with one metal tower and a wooden deck. The second tower is partially obscured by a cottonwood tree.
The Dewey Bridge carried SR-128 across the Colorado River until its retirement in 1988

In 1912 Grand County unsuccessfully petitioned the state to finance the construction of a bridge. In 1913, the ferry was out of service for a time because ice in the river struck the ferry, causing it to sink. This raised the level of urgency for a more reliable river crossing. Grand County held a municipal bond election, and was able to raise $25,000[16] (1913, approximately equivalent to $550,000 in 2008)[17] to finance the construction of a bridge. The county employed the Midland Bridge Company of Kansas City, Missouri, to build it. Plans originally called for the bridge deck to be 12 feet (3.7 m) wide, but with the bonds not producing the expected yields, the deck width was scaled down to 8 feet (2.4 m). In 1916, the bridge was dedicated with a strength test by having approximately 70 attendees attempt to cross the bridge at once. The total was seven wagons, two people on horseback and several on foot.[16] The bridge was designed to support the weight of six horses, three wagons, and 9,000 pounds (4,100 kg) of freight.[15]

On the day of its completion, it was the second-longest suspension bridge west of the Mississippi River. The longest was the Cameron Suspension Bridge, also built by the Midland Bridge Company, who used the same base plans for both bridges. The Dewey Bridge remained the longest suspension bridge in Utah until it was destroyed by fire in 2008.[16]

Signpost assembly against a red sandstone backdrop. The signs on the post read, "East, 128 (in a beehive shaped shield), and Scenic Byway".
SR-128 sign just past the intersection with US-191

As part of a tribute, a reporter for The Daily Sentinel interviewed locals and visitors about their first experience crossing the bridge. Many recalled how nervous they felt as the bridge would creak and sway under load. One stated, "A lot of people lost a lot of mirrors on that bridge".[5] Drivers with wide vehicles had to fold in their side mirrors to safely cross, as the bridge deck was only 8 feet (2.4 m) wide.[16]

An agreement was reached in 1984 between the Grand County Commission and the Utah Department of Transportation (UDOT) to balance the conflicting public demands to retire and preserve the aging bridge. As part of this agreement, UDOT would commission a new bridge and once finished, transfer ownership of the original bridge back to Grand County. Grand County agreed to petition to have the bridge be included in the National Register of Historic Places, assume maintenance and guarantee the bridge would be preserved.[2] The nomination was approved and the bridge was added to the National Register of Historic Places on July 12, 1984.[18] In 1988, the replacement bridge was completed,[5][19] and the title deed to the Dewey Bridge was handed over to the county in 1989.[2] Grand County completed a restoration project in 2000.[5]

Fire consuming a bridge, with portions of the deck falling to the river below.
The Dewey Bridge was destroyed in April 2008 by a brush fire

After being replaced for automobile use, the Dewey Bridge was used by the Kokopelli trail, a bicycle trail, and a pedestrian trail. The east approach to the bridge features an abandoned gas station and the ghost town of Dewey. The west approach has been converted to a rest area and park.[10]

On April 6, 2008, a seven-year-old boy accidentally started a fire in a nearby campground while playing with matches. The fire moved up the riverbank and destroyed the bridge's wooden deck and rails.[20] The county funded a study to determine the feasibility and cost of reconstructing the bridge. The engineers determined that the steel cables and towers most likely did not suffer structural damage and could be reused. The study estimated reconstruction costs at $850,000. The engineers determined the original blueprints, preserved in a museum, were of sufficient quality that only minimal engineering work would be required. The county agreed to direct the effort, but will not fund it with taxpayer money, and no progress has occurred.[21] As replicas do not qualify for historical status, historians are debating if using the original towers and cable is enough for the structure to qualify as historical.[22]

Though the Colorado River runs for over 400 miles (640 km) in Utah, there are only three sites with bridges to cross it. One is the Dewey Bridge site where SR-128 traverses the waterway; the other two are an unnamed bridge that carries US-191 (built in 1911, replaced in 1955 and again in 2010) and the Hite Crossing Bridge (built in 1966) used by SR-95.[14]

From trail to highway

[edit]
Highway following the right side of a narrow canyon with a long shadow cast from the left.
SR-128 approaching Drinks Canyon

With the bridge finished in 1916, by the 1920s the toll road was reconstructed above the ordinary high water mark so it could be used year-round.[14] The road was briefly used for the route of the Midland Trail across eastern Utah. However, by 1923 the trail had been moved to a more direct routing, similar to modern I-70.[23][24] The road from Moab along the river to Castleton was added to the state highway network in 1931, as SR-129.[25] In 1933, the route was redesignated SR-128 and extended to Cisco.[26] The highway was gradually upgraded to a two-lane paved roadway.

The state legislature extended SR-128 about 3 miles (5 km) at its east end in 1969, due to the pending construction of Interstate 70. Plans called for the freeway to bypass the Cisco area, including the terminus of SR-128. The legislature transferred a portion of SR-4 (the legislative designation for what was then signed US-6/US-50) near Cisco to the proposed interchange with I-70. When that part of I-70 was completed in 1971, signs were changed to SR-128 on its portion of the old road, while the remainder of the bypassed road through Cisco was relinquished to the county.[27]

The highway was recognized by the Utah Scenic Byways program for its scenic value and given the name Upper Colorado River Scenic Byway.[28][29] The highway was recognized as a National Scenic Byway and named as part of the Dinosaur Diamond Scenic Byway in 1998.[30] A petition is currently before the Federal Highway Administration to recognize Route 128 as an All-American Road. To meet this criterion the highway must be deemed by the administration to have enough scenic value to be a "destination unto itself".[30]

Major intersections

[edit]
mi[1]kmDestinationsNotes
0.0000.000 US 191 – Moab
1.0881.751View area – Camping information and Riverway Regulations
6.34810.216View area – Drinks Canyon
8.11213.055View area – Big Bend
15.52924.992Castle Valley, Manti-La Sal National Forest
20.15732.440Onion Creek Road
20.99433.787View area – Fisher Towers
26.63442.863Rest area – Dewey Bridge
41.53066.836Cisco RoadFormer US-6/US-50
44.43271.506 I-70 / US 6 / US 50 – Thompson Springs, Grand JunctionI-70 exit 204
44.56471.719End State Maintenance
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

[edit]
  • Dewey Bridge Member – a type of Entrada Sandstone named for the Dewey Bridge
  • SR-279 – Lower Colorado River Scenic Byway

References

[edit]
  1. ^ a b "Highway Reference Online - SR 128". maps.udot.utah.gov. Utah Department of Transportation. Retrieved December 2, 2007.
  2. ^ a b c d "State Road Resolutions SR-128.pdf". Utah Department of Transportation. Retrieved May 15, 2008.
  3. ^ "Highway 128: The River Road Experience". Canyonlands Natural History Association. Archived from the original on November 1, 2010. Retrieved July 28, 2009.
  4. ^ a b "Colorado River Scenic Byway". National Geographic Guide to Scenic Highways and Byways (2nd ed.). National Geographic Society. 1995. p. 201. ISBN 0-7922-7468-7.
  5. ^ a b c d Harmon, Gary (April 7, 2008). "Historic Dewey Bridge lost to fire". The Daily Sentinel. Grand Junction, Colorado. Archived from the original on June 26, 2008. Retrieved June 27, 2008.
  6. ^ "The USA: Fisher Towers & Route UT 128" (in French). The USA. March 2, 2008. Retrieved August 24, 2008.
  7. ^ Steimle, Von Lothar (June 17, 2002). "In Utah am berühmtesten Felsbogen der Welt" (in German). Rhine Main.Net. Archived from the original on April 10, 2009. Retrieved August 24, 2008.
  8. ^ "Secondary Highways with Additional Restrictions" (PDF). udot.utah.gov. Utah Department of Transportation - Motor Carrier Division. April 20, 2020. Archived from the original on April 10, 2009. Retrieved March 14, 2023.
  9. ^ "Arches National Park". National Park Service. Retrieved August 23, 2008.
  10. ^ a b c Utah Road and Recreation Atlas (Map). 1:250000. Benchmark Maps. 2002. p. 71. ISBN 0-929591-74-7.
  11. ^ "Colorado Riverway Recreation Area". Moab Area Travel Council. Archived from the original on August 7, 2007. Retrieved July 19, 2008.
  12. ^ "Movies filmed in the Moab area". Moab Area Travel Council. Retrieved July 29, 2008.
  13. ^ Division of Water Quality. "Onion Creek TMDL Grand County, Utah" (PDF). Utah Department of Environmental Quality. Archived from the original (PDF) on May 13, 2008. Retrieved March 4, 2008.
  14. ^ a b c d e f g Daughters of Utah Pioneers (1972). Grand Memories. pp. 127, 144. OCLC 4790603.
  15. ^ a b "Markers and Monuments: Dewey Bridge". Utah History Resource Center. State of Utah. October 2006. Archived from the original on December 14, 2012. Retrieved October 13, 2007.
  16. ^ a b c d e "UT0411". Historic American Engineering Record. U.S. Library of Congress. Retrieved February 24, 2008.
  17. ^ "Consumer Price Index Inflation Calculator". U.S. Bureau of Labor Statistics. Retrieved August 29, 2008.
  18. ^ "National Register Information system". National Park Service. Retrieved December 2, 2004.
  19. ^ Federal Highway Administration (2012). "NBI Structure Number: 0C+734". National Bridge Inventory. Federal Highway Administration.
  20. ^ Staff (April 7, 2008). "Fire destroys Dewey Bridge". The Daily Sentinel. Grand Junction, Colorado. Archived from the original on April 11, 2008. Retrieved April 7, 2008.
  21. ^ Bigler, Craig (January 8, 2009). "Study finds Dewey Bridge could be reconstructed for about $850,000". The Times-Independent. Moab, Utah. Retrieved January 10, 2008.
  22. ^ Schenck, Travis (May 30, 2008). "Preservation committee launches Dewey Bridge feasibility study". The Times-Independent. Moab, Utah. Retrieved June 13, 2008.
  23. ^ "Midland Trail Will Come down River by Way of Moab, Legislature Decides". Grand Valley Times. Moab, Utah. April 19, 1919. Retrieved July 7, 2008.[permanent dead link]
  24. ^ "Paving Must Come in 1923; Work on Details is Pushed". The News-Advocate. Price, Utah. February 1, 1923. Archived from the original on July 23, 2012. Retrieved July 7, 2008.
  25. ^ Utah State Legislature (1931). "Chapter 55: Designation of State Roads". Session Laws of Utah. (129) From Moab along south bank of Colorado river to Castleton.
  26. ^ Utah State Legislature (1933). "Chapter 30". Session Laws of Utah. (128) From Moab along south bank of Colorado river to Cisco.
  27. ^ "State Road Resolutions SR-4.pdf". Utah Department of Transportation. Archived from the original on October 19, 2007. Retrieved May 15, 2008.
  28. ^ "Upper Colorado River Scenic Byway 128". Utah Office of Tourism. Retrieved November 17, 2007.
  29. ^ "Utah Administrative Code". State of Utah. Archived from the original on January 7, 2008. Retrieved December 3, 2007.
  30. ^ a b "Dinosaur Diamond Prehistoric Highway". Dinosaur Diamond Partnership. Archived from the original on September 18, 2007. Retrieved November 17, 2007.
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