Rating:
3 votes

Cape Perpetua Half-Viaduct

Photos 

Cape Perpetua Half-Viaduct

Photo taken by Michael Goff on June 1, 2010

Enlarge

BH Photo #166986

Map 

Street View 

Facts 

Overview
Stringer bridge over Cape Perpetua Chasm on US 101
Location
Lincoln County, Oregon
Status
Open to traffic
History
Built 1931
Design
The Cape Perpetua Half-Viaduct is a reinforced concrete deck girder half-viaduct.
Dimensions
Length of largest span: 38.1 ft.
Total length: 76.1 ft.
Deck width: 26.9 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+44.28867, -124.11267   (decimal degrees)
44°17'19" N, 124°06'46" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/411226/4904537 (zone/easting/northing)
Quadrangle map:
Yachats
Inventory numbers
OR 01175 (Oregon Dept. of Transportation structure number)
BH 45442 (Bridgehunter.com ID)
Inspection (as of 07/2015)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 62.7 (out of 100)
Average daily traffic (as of 2014)
3,000

Categories 

Beam (11,968)
Built 1931 (794)
Built during 1930s (10,582)
Continuous (1,908)
Functionally obsolete (7,986)
Have street view (22,094)
Lincoln County, Oregon (23)
NR-eligible (3,971)
Open (36,586)
Oregon (865)
Owned by state (13,695)
Span length 25-50 feet (13,587)
Total length 75-100 feet (5,941)
US 101 (104)

Update Log 

  • April 4, 2013: New Street View added by Mike Goff
  • June 2, 2010: Added by Michael Goff

Sources 

  • Mike Goff - michael [dot] goff [at] hotmail [dot] com