Photos
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West Approach Photo taken by J.R. Manning in September 2008 |
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West Portal Photo taken by J.R. Manning in September 2008 |
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Manufacturer's Plate Well, that's where it was, anyway, unless this is another bridge by the obscure Two Holes In Span Bridge Co. Photo taken by J.R. Manning in September 2008 |
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Deck and Truss Structrure Looking east. Photo taken by J.R. Manning in September 2008 |
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Barrel Shot Looking West Photo taken by J.R. Manning in September 2008 |
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Eyebar Detail South side of bridge. Photo taken by J.R. Manning in September 2008 |
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Lower Chord Detail South side of bridge. Photo taken by J.R. Manning in September 2008 |
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Mounting Shoe Southeast quadrant. The bridge is listed as having a fixed mount on the west end. This end uses roller nest expansion bearings. Photo taken by J.R. Manning in September 2008 |
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Lower chord to floor beam connections Photo taken by J.R. Manning in September 2008 |
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View Of Upper Chord Connection Photo taken by J.R. Manning in September 2008 |
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Portal Bracing Photo taken by J.R. Manning in September 2008 |
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Deck detail The deck is wood with an asphalt overlay. Photo taken by J.R. Manning in September 2008 |
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Web detail Photo taken by J.R. Manning in September 2008 |
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Unusual Detail If anyone has a clue as to why two top braces have wood attached to them with U-bolts, please let us know. Photo taken by J.R. Manning in September 2008 |
Facts
- Overview
- Pinned Pratt through truss bridge over Yahara River on E. Dyreson Road
- Location
- Town of Dunn, Dane County, Wisconsin
- Status
- Open to traffic
- History
- Built 1897; rehabilitated 1983
- Builder
- - Milwaukee Bridge & Iron Co.
- Design
- Single-span, pinned connection, Pratt through truss, significant for its connection to the Milwaukee Bridge & Iron Company, one of the most prolific fabricators in Wisconsin with many installations in Wisconsin and Iowa, and as far away as Colorado and Texas.
- Dimensions
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Length of largest span: 124.0 ft.
Total length: 127.3 ft.
Deck width: 14.4 ft.
Vertical clearance above deck: 14.7 ft.
- Approximate latitude, longitude
- +42.98810, -89.27865 (decimal degrees)
42°59'17" N, 89°16'43" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 16/314231/4762012 (zone/easting/northing)
- USGS topographic map
- Rutland
- Inventory number
- BH 34724 (Bridgehunter.com ID)
- Inspection (as of 08/2006)
- Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 25.8 (out of 100) - Average daily traffic (as of 2005)
- 100