A portion of Spruce Brook Road in Southbury will be closed until sometime in August to allow the bridge spanning Transylvania Brook to be replaced.
First Selectman Ed Edelson said the five culverts that allow the brook to flow under the road have been steadily deteriorating for years.
"And as the pipes have separated, or the culverts have separated, material is falling through," Edelson said Thursday, just hours after the closure took effect. "That leaves spaces, and therefore they are not really holding up the road bed."
Edelson said the project also includes building a secondary passage for the brook, to alleviate stress on the existing undercarriage during flood conditions.
Although no exact completion date has been announced, Edelson said if weather and other factors are favorable, the project will probably be finished about Aug. 10 or 11.