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Waterworks Trestle

Scott County, Iowa
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Photos 

Photo taken by Dave Sebben

View this photo on Flickr

Map 

Street Views 

Description 

It is listed as the waterworks bridge as the waterworks is along the line. The other name "Bridge Across Land" is applied to the wooden trestle.

Facts 

Overview
Truss bridge over River Drive on railroad
Location
Davenport, Scott County, Iowa
Status
Open to traffic
History
Built in the 1870s, Pony truss span and deck plate grder span added at a later date.
Builder
- John Hornby
Design
30 Spans Trestle
30' I-Beam
1 Span Pratt Pony Truss
30' I-Beam
32 Spans Trestle
1-70' Deck Plate Girder
3 Span Trestle
Dimensions
Length of largest span: 235.0 ft.
Total length: 1,398.0 ft.
Recognition
Listed as a contributing resource to a designated historic district on the National Register of Historic Places
Also called
Bridge Across Land
Approximate latitude, longitude
+41.52949, -90.54858   (decimal degrees)
41°31'46" N, 90°32'55" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/704517/4600439 (zone/easting/northing)
USGS topographic map
Davenport East
Inventory number
BH 49112 (Bridgehunter.com ID)

Categories 

Beam (6,156)
Canadian Pacific Railway (241)
Chicago, Milwaukee, St. Paul & Pacific Railroad (292)
Dakota, Minnesota, & Eastern Railroad (181)
Davenport, Iowa (29)
Deck girder (1,832)
Girder (3,288)
Have street view (10,035)
Iowa (3,615)
Iowa, Chicago & Eastern Railroad (133)
John Hornby (1)
Modern (617)
NR-contributing (30)
 Open (28,454)
Owned by railroad (4,120)
Plate girder (2,285)
Pony truss (13,212)
Pratt pony truss (2,350)
Pratt truss (5,687)
Railroad (4,223)
Scott County, Iowa (53)
Span length 175-250 feet (1,489)
Timber Trestle (15)
Timber stringer (1,894)
Total length 1000-2500 feet (1,223)
Truss (23,615)

Update Log 

  • December 28, 2012: New photos from John Marvig
  • September 22, 2012: Updated by John Marvig: Added information
  • January 4, 2012: Photo imported by Luke Harden
  • October 8, 2011: Photo imported by Luke Harden
  • July 16, 2011: Added by Luke Harden

Sources 

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Comments 

Waterworks Trestle
Posted May 29, 2012, by Luke Harden (lmharden [at] iastate [dot] edu)

Through research I discovered that the truss is not original, but was added at a later date, when the road was re-aligned, replacing beam span. However, the trestle and beams have consecutively existed since the 1870s (although timbers have been replaced, as is typical of trestles as regular maintenance.).