Rating:
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Twelfth Street Viaduct

Jackson County, Missouri
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Photos 

Overview

Photo taken by James Baughn

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Map 

Street Views 

View Uglybridges.com report

Facts 

Overview
Concrete viaduct over the railroad tracks on Twelfth Street, just west of downtown Kansas City
Location
Kansas City, Jackson County, Missouri
Status
Open to traffic
History
Built 1913-14; rehabilitated 1965 and 2006
Builders
- Graff Construction Co. (Contractor)
- Waddell & Harrington (Consulting engineers)
Design
Open-spandrel arch
Dimensions
Length of largest span: 148.9 ft.
Total length: 2,053.6 ft. (0.4 mi.)
Deck width: 51.8 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+39.10048, -94.59822   (decimal degrees)
39°06'02" N, 94°35'54" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/361799/4329142 (zone/easting/northing)
Land survey
T. 49 N., R. 33 W., Sec. 6
USGS topographic map
Kansas City
Inventory numbers
MONBI 25397 (Missouri bridge number on the National Bridge Inventory)
MO 048-S030B11 (Missouri off-system bridge number)
BH 21721 (Bridgehunter.com ID)
Inspection (as of 06/2010)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Fair (5 out of 9)
Sufficiency rating: 57.6 (out of 100)
Average daily traffic (as of 2010)
9,500

Categories 

Arch (9,418)
Built 1915 (967)
Built during 1910s (6,729)
Deck arch (8,695)
Double decker (32)
Graff Construction Co. (1)
Have street view (9,883)
Jackson County, Missouri (159)
Kansas City, Missouri (95)
 Missouri (4,521)
NR-eligible (3,749)
Open (28,302)
Open-spandrel arch (581)
Owned by city (3,048)
Span length 125-175 feet (2,951)
Total length 1000-2500 feet (1,212)
Waddell & Harrington (18)

Update Log 

  • August 18, 2011: New photos from James Baughn
  • April 17, 2011: New photos from Mark Frazier
  • September 17, 2010: New photo from Eric Kinkhorst
  • April 5, 2010: New Street View added by James Baughn
  • June 26, 2006: Posted new photos

Sources 

  • Missouri Historic Bridge Inventory
  • Eric Kinkhorst - e [dot] kinkhorst [at] centurytel [dot] net
  • Mark Frazier - mfrazier [at] kc [dot] rr [dot] com
  • James Baughn - webmaster [at] bridgehunter [dot] com
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Comments 

Multiple street views on one file
Posted April 5, 2010, by Craig Philpott (cphilpott [at] puc [dot] edu)

Yes, street view is very addictive. And also one of the safest ways to achieve some views of the bridges. I was in Alameda county, CA, this weekend and there are old railroad bridges that are accessed on county roads that have conspicuous "no parking, stopping or standing" signs posted for over a mile in all directions. Street view is a tremendous help in such situations.