McKinley Washington Jr. Bridge

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Dawhoo River Bridge
Coordinates 32°38′14″N 80°20′25″W / 32.63722°N 80.34028°W / 32.63722; -80.34028Coordinates: 32°38′14″N 80°20′25″W / 32.63722°N 80.34028°W / 32.63722; -80.34028
Carries SC 174
Crosses Dawhoo River
Locale Edisto Island, South Carolina
Official name McKinley Washington Jr. Bridge
Maintained by SCDOT
ID number 001040017400400
Design Steel girder
Total length 1,702 meters (5,584 ft)
Width 16.4 meters (54 ft)
No. of spans 97
Clearance below 20.7 meters (68 ft)
Daily traffic 4500

The McKinley Washington Jr. Bridge, or the Dawhoo River Bridge, connects Edisto Island on the coast of South Carolina to the mainland. It carries South Carolina Highway 174. The bridge is named for McKinley Washington Jr., who served in the South Carolina General Assembly, representing the area and leading the effort to appropriate funds to replace the bridge.[1][2]

History of the crossing[edit]

This is the third bridge in the same location, replacing a swing bridge that caused traffic delays when it opened for boats.

The first bridge opened in 1920 and was a single lane swing span which was opened manually by the bridge tender.[3] Funds to build the bridge came from $6,000 in bonds sold by the Township Commissioners for Edisto Island. The sale of bonds being authorized by the General Assembly.[4]

The second bridge opened in 1950. It was a two-lane electrically powered swing span.[5] When closed, it only provided for eight feet of clearance below the bridge for boat traffic.[6]

The current bridge was dedicated on September 25, 1993.[7]


  1. ^ Spencer 2008: 171.
  2. ^ Concurrent Resolution 4598 of the 109th session of the South Carolina General Assembly.
  3. ^ Spencer, 2008: 133.
  4. ^ Act 216 of the 1917 Session of the General Assembly Acts and Joint Resolutions of the General Assembly of the State of South Carolina, p 534.
  5. ^ Spencer, 2008: 133.
  6. ^ St. Helena Sound (Map). 1 : 40,000. Nautical Chart. National Oceanic and Atmospheric Administration. 1976. 11517. Retrieved 2009-02-08. 
  7. ^ Spencer 2008: 171.