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Photo taken by Historic American Engineering Record

Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Concrete arch bridge over Keigley Branch on 550th Avenue
Location
Story County, Iowa
Status
Open to traffic
History
Built 1913 by Koss Construction Co.
Builder
- Koss Construction Co.
Dimensions
Length of largest span: 44.9 ft.
Total length: 46.9 ft.
Deck width: 20.0 ft.
Approximate latitude, longitude
+42.13637, -93.60096   (decimal degrees)
42°08'11" N, 93°36'03" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/450336/4665092 (zone/easting/northing)
Land survey
T. 85 N., R. 24 W., Sec. 36
USGS topographic map
Ames East
Inventory numbers
IA 316480 (Iowa bridge number)
BH 14432 (Bridgehunter.com ID)
Inspection (as of 11/2006)
Sufficiency rating: 73.7 (out of 100)
Average daily traffic (as of 1999)
160

Categories 

Arch (7,640)
Built 1913 (325)
Built during 1910s (3,647)
Closed-spandrel arch (1,140)
Deck arch (6,722)
Iowa (2,169)
Koss Construction Co. (4)
Open (21,823)
Owned by county (14,295)
Span length 25-50 feet (6,148)
Story County, Iowa (34)
Total length 25-50 feet (5,316)

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