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Janesville Bridge

Black Hawk County, Iowa, and Bremer County, Iowa

Photos 

Approaching the bridge from the east side

Photo taken in September 2010 by Jason Smith

Enlarge

BH Photo #177896

Map 

Street View 

Facts 

Overview
Through truss bridge over Cedar River on Old IA 969 in Janesville
Location
Janesville, Black Hawk County, Iowa, and Bremer County, Iowa
Status
Demolished
Future prospects
Bridge is being replaced. New bridge expected to open in November 2023
History
Built 1937; rehabilitated 1986; Replaced in 2023
Builder
- Iowa State Highway Commission of Ames, Iowa
Design
Riveted Pratt Through truss
WV portal bracings
Dimensions
Length of largest span: 129.9 ft.
Total length: 482.3 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 13.0 ft.
Approximate latitude, longitude
+42.64247, -92.46489   (decimal degrees)
42°38'33" N, 92°27'54" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/543778/4721228 (zone/easting/northing)
Quadrangle map:
Waverly
Average daily traffic (as of 2017)
1,640
Inventory numbers
IA 15490 (Iowa bridge number)
BH 12876 (Bridgehunter.com ID)
Inspection report (as of September 2017)
Overall condition: Poor
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 30 (out of 100)
View more at BridgeReports.com

Categories 

Black Hawk County, Iowa (99)
Bremer County, Iowa (58)
Built 1937 (860)
Built during 1930s (12,359)
Cedar River (Minnesota-Iowa) (136)
Formerly NR-eligible (456)
Have street view (30,587)
IA 969 (1)
ISHC Standard Series T (199)
Iowa (6,909)
Iowa State Highway Commission (840)
Janesville, Iowa (5)
Lost (32,309)
 Lost 2023 (7)
Lost during 2020s (374)
Owned by township (3,664)
Pratt through truss (6,454)
Pratt truss (10,914)
Red Ball Route (24)
Span length 125-175 feet (4,618)
Through truss (19,315)
Total length 250-500 feet (5,745)
Truss (38,703)
US 218 (19)
WV Portal Bracings (1)

Update Log 

  • March 1, 2023: Updated by Jason Smith: Bridge being replaced.
  • September 18, 2010: Updated by Jason Smith: Changed the name of the bridge
  • August 2, 2010: New Street View added by Jason Smith

Sources 

  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
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Comments 

Janesville Bridge
Posted March 1, 2023, by Jason Smith (flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com)

This bridge is being replaced with a new, wider concrete bridge. The project started on January 3rd and is expected to be finished by November. See website of the project:

Link: https://www.janesvilleia.com/copy-of-covid-19-information