4 votes

Bridgeport Bridge


Photo by Joe Elliott, Summer 1995, for HAER

View photos at Library of Congress

BH Photo #123486

Street View 


Pennsylvania through truss bridge over Skunk River on Old Quarry Road
Denmark, Lee County, Iowa, and Des Moines County, Iowa
Closed to all traffic
Built 1904, Closed 1984
- Carnegie Steel Co. of Pittsburgh, Pennsylvania (Metal Fabricator)
- Clinton Bridge & Iron Works of Clinton, Iowa
Pennsylvania through truss

"The main span of this bridge may be the longest pinned truss remaining in Iowa and serves as a well-preserved example of a Pratt truss subtype - the Pennsylvania truss. The bridge is significant for its role in the development of regional transportation in the Lee and Des Moines county area.

"This document was prepared as part of the Iowa Historic Bridges Recording Project performed durng the Summer of 1995 by the Historic American Engineering Record (HAER). The project was sponsored by the Iowa Department of Transportation (IDOT). Preliminary research on this bridge was performed by Clayton B. Fraser of Fraserdesign, Loveland, CO."

Historian: Robert W. Jackson, August 1995

Length of largest span: 238.0 ft.
Total length: 293.0 ft.
Deck width: 15.1 ft.
Vertical clearance above deck: 15.0 ft.
Posted to the National Register of Historic Places
Approximate latitude, longitude
+40.79036, -91.36417   (decimal degrees)
40°47'25" N, 91°21'51" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/638013/4516772 (zone/easting/northing)
Quadrangle map:
Land survey
T. 69 N., R. 4 W.
Inventory numbers
NRHP 98000533 (National Register of Historic Places reference number)
IA 219350 (Iowa bridge number)
BH 13816 (Bridgehunter.com ID)

Update Log 

  • November 14, 2021: New photos from Chris Gonnerman
  • October 22, 2013: New Street View added by Luke Harden
  • October 22, 2013: New photo from Diane Martin
  • September 10, 2008: New photos from J.R. Manning



Bridgeport Bridge
Posted October 6, 2007, by Ken Martin (kmartin537 [at] surewest [dot] net)

Visited bridge Sep. '07. Side view from new bridge just upriver, afternoon shot would be better.