Lane Closures Will Impact State Route 153
The Chickamauga Dam bridge will have intermittent lane closures on October 20 and 21 for routine safety inspections.
Updated on Oct. 13, 2026 in Current Conditions
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The Tennessee Valley Authority and the Tennessee Department of Transportation will close one lane of State Route 153 across the Chickamauga Dam. These closures are scheduled to take place on October 20 and October 21.
Why it matters
Routine bridge safety inspections are necessary to ensure the structural integrity of the crossing over Chickamauga Dam. These assessments help maintain the safety of the roadway for all local commuters.
Work crews will restrict traffic to one of two lanes per direction across the Chickamauga Dam during inspection hours. The closures are set to take place daily between 9 a.m. ET and 3 p.m. ET.
The players
Tennessee Valley Authority
This federal agency operates the Chickamauga Dam and manages the power and water resources of the Tennessee Valley.
Tennessee Department of Transportation
This state agency oversees the construction, maintenance, and safety of public roadways across Tennessee.
The details
The Tennessee Valley Authority and the Tennessee Department of Transportation are coordinating to perform essential safety checks on the bridge. While the project will force a reduction in capacity on State Route 153, the bridge will remain open for traffic throughout the inspection period.
Timeline
Northbound lane closure occurs on October 20, 2026, from 9 a.m. to 3 p.m. ET.
Southbound lane closure occurs on October 21, 2026, from 9 a.m. to 3 p.m. ET.
Seasonal Patterns
The project follows the standard inspection cycle mandated by the National Bridge Inspection Standards. These routine assessments are a recurring requirement for managing aging infrastructure across the state.
Motorists should anticipate localized delays on State Route 153 during the specified hours on October 20 and 21. Drivers are encouraged to plan for potential congestion while the lane closures are active.
The takeaway
Travelers passing through Chattanooga should be aware that inspection schedules can shift depending on site conditions or weather. Checking local traffic alerts before heading out on these dates can help commuters avoid unnecessary transit delays.
Further reading
For more updates on local traffic impacts, visit Chattanooga Current Conditions.
Source note: This article includes information reported by News 12 Now.
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Do you accept temporary traffic delays if they are necessary for routine bridge safety inspections?
