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Causton Bluff Bridges

Islands Expressway Bridges

Causton Bluff Bridges

Primary Photographer(s): Nathan Holth

Bridge Documented: November 14, 2014

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Key Facts

Facility Carried / Feature Intersected
Islands Expressway Over Wilmington River
Location
Savannah: Chatham County, Georgia: United States
Structure Type
Metal Deck Girder, Movable: Double Leaf Bascule (Fixed Trunnion) and Approach Spans: Pre-Stressed Concrete Stringer (Multi-Beam), Fixed
Construction Date and Builder / Engineer
1963 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
1989
Main Span Length
150 Feet (45.7 Meters)
Structure Length
804 Feet (245 Meters)
Roadway Width
28 Feet (8.53 Meters)
Spans
1 Main Span(s) and 12 Approach Span(s)
NBI Number
5101320

Historic Significance Rating (HSR)
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Bridge Documentation

This bridge's future is at risk!

Bridge Status: 2021 Update: A replacement fixed high level bridge is under construction, slated for completion in 2023.

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

This is a pair of bascule bridges, one carrying eastbound traffic, the other carrying westbound traffic. The history of these bridges is unclear. The National Bridge Inventory lists a 1963 construction date for one bridge and a 1989 construction date for the other. However, both bascules are riveted, and rivets were not used in 1989. Their girder design is essentially identical. One would think both bascule spans were older than 1970, even if they weren't built in the same year. The width of the northern bascule roadway is wider suggesting it is newer. The piers for the approach spans of the southern one are concrete bents of an older-looking design, while the northern bridge has more modern-looking piers.

A plan to demolish and replace these bridges with a fixed high level bridge has been in place since as early as 2011. There has not been any recent news about this, but there is no reason to believe that these bridges are not at risk for demolition.

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Photo Galleries and Videos: Causton Bluff Bridges

 
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Maps and Links: Causton Bluff Bridges

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