Rating:
1 vote

Purdy Marsh Bridge

Share:

Photos 

East side

Photo taken by Robert Stephenson in June 2008

Enlarge

Map 

Facts 

Overview
Pony truss bridge over Purdy Marsh on Pieper Road (CR 1050E)
Location
Knox County, Indiana
Status
Closed to all traffic
History
Built 1905
Design
Pin-connected, 4-panel Pratt pony truss
Dimensions
Length of largest span: 57.1 ft.
Total length: 59.0 ft.
Deck width: 15.4 ft.
Skew angle
30 degrees
Recognition
Eligible for the National Register of Historic Places
Also called
Knox County Bridge #55
Approximate latitude, longitude
+38.78793, -87.27272   (decimal degrees)
38°47'17" N, 87°16'22" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/476314/4293278 (zone/easting/northing)
Quadrangle map:
Bicknell
Inventory numbers
INNBI 4200178 (Indiana bridge number on the National Bridge Inventory)
BH 16460 (Bridgehunter.com ID)
Inspection (as of 01/2008)
Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Critical (2 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 21.9 (out of 100)
Average daily traffic (as of 2006)
110

Categories 

4-panel truss (254)
Built 1905 (717)
Built during 1900s (6,226)
Closed (2,406)
Indiana (4,182)
Knox County, Indiana (74)
NR-eligible (3,957)
One-lane traffic (7,410)
Owned by county (18,721)
Pin-connected (3,032)
Pony truss (14,995)
Pratt pony truss (3,147)
Pratt truss (7,929)
Skewed (4,660)
Span length 50-75 feet (8,808)
Structurally deficient (18,308)
Total length 50-75 feet (8,367)
Truss (29,288)

Update Log 

  • July 9, 2017: New photos from Mike Daffron
  • December 14, 2016: New photos from Mike Daffron
  • March 27, 2010: Updated by Robert Stephenson: Alternate name, Adjusted GPS and added Skew angle
  • June 21, 2008: New photos from Robert Stephenson

Sources