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July 22 2026
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Vol. XXVIII • No. 15
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ALDOT’S $70.4M I-59 Widening Project Reaches New Milestone
Motorists traveling Interstate 59 through Trussville, Ala., once again can access the northbound entrance and exit ramps at Chalkville Mountain Road (Exit 141) after the Alabama Department of Transportation (ALDOT) reopened the ramps June 26, several days ahead of schedule. The ramps had been closed since May 18 while contractor Wiregrass Construction rebuilt the interchange as part of ALDOT’s ongoing $70.4 million reconstruction and widening of I-59 between the I-459 interchange and Chalkville Mountain Road. The contractor completed the work before the end of the 40-day incentive period established by ALDOT, reducing disruptions for commuters traveling one of the Birmingham area’s busiest corridors. The reopening marks another milestone in ALDOT’s 3.8-mi. reconstruction project, which is designed to improve safety and relieve congestion on a section of interstate that carries more than 135,000 vehicles daily. Todd Connell ALDOT Construction Engineer, previously told Construction Equipment Guide that traffic routinely backs up during peak travel periods,
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making the widening one of the agency’s most significant mobility improvements in the Birmingham metropolitan area. Construction began in late 2024 after ALDOT determined the nearly 50-year-old roadway had reached the end of its service life. Rather than resurfacing the interstate, the department elected to completely reconstruct the corridor while widening it from four lanes to six. When complete, the highway will feature three 12-ft.-wide travel lanes in each direction with full-width shoulders to improve both traffic flow and safety. The project extends from the I-459 interchange to the Chalkville Mountain Road overpass and includes substantially more than lane additions. Crews are reconstructing the interstate pavement, performing approximately 90,000 cu. yds. of excavation, upgrading drainage infrastructure, installing new lighting and highway signage, rebuilding the Chalkville Mountain Road interchange ramps, replacing bridge decks over ALDOT photo Edwards Lake Road and making pavement improvements ALDOT used rubblization, a process that fractures the existon portions of I-459 approaching the interchange. ing concrete pavement into a stable base before new asphalt see ALDOT page 8
pavement is placed.
$3.2B Mobile River Bridge, Bayway Plan Moves Foward After decades of planning and multiple funding challenges, Alabama officials said construction of the long-awaited Mobile River Bridge and Bayway Project is expected to begin before the end of 2026 under a revised phased approach designed to control costs while expanding Interstate 10 capacity across Mobile Bay. The Alabama Department of Transportation (ALDOT), along with the Mobile Metropolitan Planning Organization and the Eastern Shore Metropolitan Planning Organization, announced July 9, 2026, that the project has advanced to the point where construction can proceed pending anticipated approval of a federal Transportation Infrastructure Finance and Innovation Act (TIFIA) loan. The revised strategy reduces the project’s
initial cost while maintaining its long-term goal of increasing capacity along one of the Southeast’s most heavily traveled freight corridors. Phase One is estimated to cost approximately $3.2 billion and includes construction of a new six-lane cable-stayed bridge spanning the Mobile River, restriping the existing Bayway to provide six travel lanes across Mobile Bay and improvements to major interchanges, intersections and traffic operations throughout the corridor in Mobile and Baldwin counties. A second phase, to be constructed as additional funding becomes available, will add a new Bayway structure. Officials said future toll revenue is expected to help finance that portion of the project. see BRIDGE page 10
ALDOT rendering
If construction begins as anticipated later this year, the project will represent the largest transportation infrastructure investment in Alabama history and one of the most significant highway construction projects currently under way in the Southeast.
ALDOT rendering
Officials announced July 9, 2026, that the project has advanced to the point where construction can proceed pending anticipated approval of a federal Transportation Infrastructure Finance and Innovation Act loan.