Rating:
1 vote

7th Street Bridge

Photos 

Looking North

Photo taken by Daniel Barnes in March 2020

Enlarge

BH Photo #468187

Map 

Facts 

Overview
Pony truss bridge over a Tributary of West Fork West Nishnabotna River on N. 7th Street in Harlan
Location
Harlan, Shelby County, Iowa
Status
Open to traffic
History
Built ca. 1920
Builder
- Iowa State Highway Commission of Ames, Iowa
Design
Pratt pony truss
Dimensions
Length of largest span: 40.0 ft.
Total length: 41.0 ft.
Deck width: 16.1 ft.
Approximate latitude, longitude
+41.66639, -95.31889   (decimal degrees)
41°39'59" N, 95°19'08" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/306933/4615344 (zone/easting/northing)
Quadrangle map:
Harlan
Land survey
T. 79 N., R. 38 W., Sec. 7
Average daily traffic (as of 1980)
120
Inventory numbers
IA 502020 (Iowa bridge number)
BH 14379 (Bridgehunter.com ID)
Inspection report (as of April 2017)
Overall condition: Poor
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Poor (4 out of 9)
Sufficiency rating: 18.6 (out of 100)
View more at BridgeReports.com

Categories 

Built during 1920s (10,087)
Harlan, Iowa (1)
Iowa (6,626)
Iowa State Highway Commission (823)
One-lane traffic (7,654)
Open (40,252)
Owned by city (5,769)
Pony truss (16,578)
Pratt pony truss (3,763)
Pratt truss (9,688)
Riveted (2,248)
Shelby County, Iowa (61)
Span length 25-50 feet (15,929)
Total length 25-50 feet (11,337)
Truss (33,928)

Update Log 

  • March 20, 2020: New photos from Daniel Barnes

Sources 

  • Daniel Barnes