Photos 

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Overview

Photos taken Summer 1997 by Wayne Moore for the Historic American Engineering Record
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Side view

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Deck view: Main span closed

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Deck view: Main span open

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Approach

Facts 

Overview
Lost pony truss swing bridge over Stono River on SC 700, west of Charleston
Location
Charleston County, South Carolina
Status
Open to traffic
History
Built 1929 by the Greenville Steel & Iron Co.; rehabilitated and widened in 1951; replaced 2004
Builder
- Greenville Steel & Iron Co.
Design
Swing Polygonal Warren pony truss
Dimensions
Length of largest span: 156.0 ft.
Total length: 1,416.7 ft.
Deck width: 24.0 ft.
Vertical clearance above deck: 14.0 ft.
Inventory number
BH 32014 (Bridgehunter.com ID)
Inspection (as of 10/2006)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Sufficiency rating: 68.0 (out of 100)
Average daily traffic (as of 2005)
21,000

Categories 

Built 1929 (463)
Built during 1920s (4,045)
Charleston County, South Carolina (8)
Formerly NR-eligible (46)
Greenville Steel & Iron Co. (1)
HAER documented (297)
Movable (858)
Open (21,663)
Owned by state (6,563)
Polygonal Warren truss (103)
Pony truss (9,396)
South Carolina (115)
Span length 125-175 feet (1,999)
Swing (269)
Total length 1000-2500 feet (702)
Truss (15,824)

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