Residents press county as 400 South bridge repair set for 2031 under federal timeline; commissioners seek local funding options
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Summary
Public commenters and county officials discussed the closure of the 400 South (Bridge 115) over Flat Rock, timeline tied to federal aid with a 2031 construction window, and local steps — including a DLGF petition and proposed engineering appropriation — to speed replacement.
A Henry County public commenter raised safety concerns about the closed 400 South bridge over Flat Rock and asked why county officials expect the bridge to reopen as late as 2031, prompting a discussion of local funding options and federal-aid timelines at the Oct. 22 Board of Commissioners meeting.
The issue matters because 400 South serves school bus routes and local businesses near the airport; residents told commissioners reopening in 2031 is unacceptable. County staff described parallel efforts to pursue local funding, pay for engineering work now and apply for federal aid to accelerate construction.
“I heard the other day, possibly 2031 for reopening,” the public commenter said, adding, “to me, it’s unacceptable to wait till 2031 to get that bridge back open.”
County staff said the timeline for federally funded projects often extends several years. “If we go federal aid, it’s still 2031,” a county staff member said. Officials described two parallel tracks: (1) a county-council petition to the Division of Local Government Finance (DLGF) to increase the maximum levy that could generate about $1.7 million earmarked for bridges, culverts and small structures and (2) pursuing federal aid through the state program, which requires local design work and can take multiple federal fiscal years before construction funding is available.
Commissioners said county council action last week approved a petition tied to a possible additional $1,700,000 for bridge work; that money would be specifically designated for bridges, culverts and small structures and could be applied to 400 South if DLGF approves the petition. County staff said an additional appropriation request for engineering costs will be submitted to the council and heard in November so design work can begin.
Officials provided cost and schedule estimates. Staff said the county’s best estimate for total project cost is about $2.4 million, including design, construction and inspection. A county staff member estimated design would take roughly 18 months; with local funding in hand, bidding and construction could follow, potentially pushing the earliest realistic completion into 2028 under a best-case, locally funded scenario. Under the federal-aid route with current schedules and appropriations, construction could be let in federal fiscal year 2031.
Staff and commissioners outlined other near-term actions: contract for design work so the county can show local investment on federal applications, seek federal-aid application deadlines this November, and explore targeting state programs such as the Community Crossings grant to cover parts of the cost. Staff also said an engineering consultant is investigating whether overloaded trailers crossing the bridge contributed to the deck cracks and whether load-rating or local permit changes are needed.
Officials warned about reopening the structure with weight restrictions. The county said annual inspections and engineering monitoring will increase, but an overloaded vehicle could cause sudden failure. That risk weighed against temporary reopenings: “It only takes an overloaded vehicle to come over it and break it down to a point where it could fail,” a county official said.
The board also noted another nearby bridge (Bridge 138) requires urgent repairs and must be fixed within about 30 days to meet federal highway inspection orders; staff said they are scheduling cost-effective repairs because replacement will follow in a future program.
Commissioners told the public they are pursuing both local and federal avenues to shorten the timeline and asked the council to consider engineering funding soon so the county can strengthen future federal applications. Residents at the meeting urged faster action given traffic safety concerns on the detour routes and the airport access improvements the county has invested in.
No formal action to obligate funds for construction was taken at the Oct. 22 meeting; staff said the next steps are (1) a council appropriation request for engineering and (2) submitting federal-aid applications where design funding would improve competitiveness.
