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Excellence in Highway Design

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Category 9 - Congestion Mitigation: Bottleneck Reduction

Honorable Mention

U.S. Route 61, Liberty Road Interchange
Natchez, Mississippi

Photo of the completed Liberty Road interchange showing landscaping, decorative lighting and bridge railings, and aesthetic details on the bridge.Aerial view of the Liberty Road interchange.The bridge included enhanced details at the bridge piers and abutments to simulate architectural features such as columns, arches, and cornices.

Natchez, Mississippi, is a historic city known for its magnificent antebellum homes. The intersection of U.S. 61 and Liberty Road was a bottleneck that discouraged economic activity and hindered visitors. U.S. 61 is a major northsouth arterial and the Liberty Road connects downtown Natchez and the Natchez Trace Parkway. U.S. 61 was a four-lane roadway except for a stretch where there was only room for two lanes making the intersection congested, dangerous, and difficult to navigate. The design for the new interchange includes a bridge wide enough to carry six lanes of U.S. 61 spanning over seven full lanes of Liberty Road, providing for acceleration lanes, a left-turn lane, and full-width shoulders. New project signage makes navigating easy and intuitive. The bridge design and architectural elements mesh with the area's distinct historic character and serve as a "gateway" to the community.

Designer: ABMB Engineers, Inc., Baton Rouge, LA
Contractor: Tanner Construction Co., Inc., Ellisville, MS
Owner: Mississippi Department of Transportation, Jackson, MS

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Michael Matzke
Office of Program Administration
E-mail Michael

Updated: 04/08/2011

United States Department of Transportation - Federal Highway Administration