Historic Bridges of the U.S. | Gasconade River Old US 66 Bridge

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Photos

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East end

Photos taken April 2004 by David Backlin

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West end

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Gasconade Bridge Side View

one truss section shot from I-44 Bridge

Photo taken by Kim Harvey

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Gasconade Bridge Side View

another truss section shot from I-44 Bridge (hint: take pictures in the winter time, trees block the view)

Photo taken by Kim Harvey

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Overview from West End

Photo taken by David Backlin in April 2008

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West Approach

Photo taken by David Backlin in April 2008

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East Portal

Photo taken by David Backlin in April 2008

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Behind West Portal

Photo taken by David Backlin in April 2008

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Deck View

Photo taken by David Backlin in April 2008

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Underside of Deck

Photo taken by David Backlin in April 2008

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Cracked Support

Photo taken by David Backlin in April 2008

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View of Railing

Photo taken by David Backlin in April 2008

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Damaged Curbing

Photo taken by David Backlin in April 2008

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Map

Vicinity Map

Vicinity map

Map links:

Facts

Overview: Three-span through truss bridge over Gasconade River on Old US 66 near Hazelgreen
Location: Laclede County, Missouri
Status: Open to traffic
History: Built 1922
Design: From west to east:
One 8-panel Warren pony truss with alternating verticals
Two 8-panel Parker through trusses
One 6-panel Pratt through truss
Dimensions: Length of largest span: 161.7 ft.
Total length: 525.8 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 13.8 ft.
Recognition: Eligible for the National Register of Historic Places
Approximate latitude, longitude: +37.75919, -92.45150 (decimal degrees)
37°45'33" N, 92°27'05" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/548314/4179238 (zone/easting/northing)
Land survey: T. 35 N., R. 14 W., Sec. 15
USGS topographic map: Richland
Inventory numbers: MoDOT G-245 (Missouri Dept. of Transportation bridge number)
MONBI 4570 (Missouri bridge number on the National Bridge Inventory)
BH 21827 (Bridgehunter.com ID)
Inspection (as of 10/2007): Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 40.1 (out of 100)
Average daily traffic (as of 2006): 422

Update Log

July 28, 2008: New photos from David Backlin
July 27, 2008: New photos from Kim Harvey
March 22, 2005: Posted photos by David Backlin

Sources

David Backlin - us71 [at] cox [dot] net

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Comments

Gasconade River Old US 66 Bridge

Posted July 28, 2008, by David Backlin (us71 [at] cox [dot] net)

I added some new photos including a couple re-shoots with a better camera.