Rating:
3 votes

SW 520th Street Bridge

Photos 

SW 520th Street Bridge

View approaching the bridge from Black Hawk Avenue.

Photo taken by Dave King on August 12, 2013

Enlarge

BH Photo #262379

Map 

Facts 

Overview
Pony truss bridge over Deer Creek on SW 520th Street
Location
Johnson County, Iowa
Status
Open to traffic
History
Rehabilitated 1989
Builder
- Cambria Steel Co. of Johnstown, Pennsylvania (Iron/Steel Manufacturer)
Design
Pratt pony truss (5-panel)
Dimensions
Span length: 60.0 ft.
Total length: 60.0 ft.
Deck width: 15.7 ft.
Approximate latitude, longitude
+41.55495, -91.80426   (decimal degrees)
41°33'18" N, 91°48'15" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/599716/4601055 (zone/easting/northing)
Quadrangle map:
Amish
Land survey
T. 78 N., R. 8 W., Sec. 20
Average daily traffic (as of 2014)
35
Inventory numbers
IA 203770 (Iowa bridge number)
BH 13780 (Bridgehunter.com ID)
Inspection report (as of June 2015)
Overall condition: Poor
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Poor (4 out of 9)
Sufficiency rating: 37.5 (out of 100)
View more at BridgeReports.com

Categories 

Cambria Steel Co. (20)
Iowa (6,096)
Johnson County, Iowa (171)
One-lane traffic (7,527)
Open (37,869)
Owned by county (19,448)
Pony truss (15,405)
Pratt pony truss (3,306)
Pratt truss (8,361)
Span length 50-75 feet (9,339)
Structurally deficient (17,480)
Total length 50-75 feet (8,790)
Truss (30,520)
Wooden deck (5,966)

Update Log 

  • August 13, 2013: New photos from Dave King
  • February 6, 2012: Updated by Jason Smith: Added information on the bridge

Sources 

  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
  • Dave King - DKinghawkfan [at] hotmail [dot] com