List of Classified Structures
List of Classified Structures
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Record: 1  26260 26261
Identification:

Preferred Structure Name:
Zion-Mt. Carmel Highway Masonry Retaining Walls
Structure Number:
RT-1000D
Other Structure Name(s):
 
Other Structure Name(s)
No records.
Park:
Zion National Park
Historic District:
 
Historic District
No records.
Structure State:
Utah
Structure County:
Washington
Region:
Intermountain
Cluster:
Colorado Plateau
Administrative Unit:
Zion National Park
LCS ID:
403331
 
Historical Significance:

National Register Status:
Entered - Documented
National Register Date:
07/07/1987
National Historic Landmark?:
No
Significance Level:
State
Short Significance Description:
The trails and roads included in the Multiple Resource Area Thematic Group nomination were determined eligible under NR criteria A for trails built pre 1941, C for trails which contained man-made features, and E for significant civil engineering challenges. Period of significance is 1925-1949.
Long Significance Description:
The trails and roads included in the Multiple Resource Area Thematic Group nomination were determined eligible under NR criteria A for trails built pre 1941, C for trails which contained man-made features, and E for significant civil engineering challenges. Period of significance is 1925-1949.

The theme of transportation includes the Zion-Mt Carmel Highway, which was completed in 1930, allowed access to the park from the east, and thus created the tour loop of the national parks and monuments in southwest Utah and northern Arizona.
 
Construction Period:

Construction Period:
Historic
Chronology:
 
Physical Event
Begin Year
Begin Year CE/BCE
End Year
End Year CE/BCE
Designer
Designer Occupation
1. 
Built
1927
CE
1930
CE
Nevada Construction Company

 
Function and Use:

Primary Historic Function:
Road Retaining Wall
Primary Current Use:
Road Retaining Wall
Structure Contains Museum Collections?:
No
Other Functions or Uses:
 
Other Function(s) or Use(s)
Historic or Current
No records.
 
Physical Description:

Structure Type:
Road
Material(s):
 
Structural Component(s)
Material(s)
1. 
Superstructure
Sandstone/Brownstone
Short Physical Description:
Numerous sandstone retaining walls varying in height and length along the Zion Mount Carmel Highway. Besides the western switchbacks, the retaining walls are located from the eastern portal of the main tunnel to the east entrance.
Long Physical Description:
Numerous sandstone retaining walls varying in height and length along the Zion Mount Carmel Highway. Besides the western switchbacks, the retaining walls are located from the eastern portal of the main tunnel to the east entrance.