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    Commonwealth Ave. bridge construction continues on time

    Bill Gailes of Liddell Brothers placed a road closure sign on Commonwealth Avenue last week.
    Craig F. Walker/Globe Staff
    Bill Gailes of Liddell Brothers placed a road closure sign on Commonwealth Avenue last week.

    Construction on the Commonwealth Avenue Bridge continued Saturday, despite adverse weather conditions, officials said.

    “Crews are continuing to work today as rain and weather conditions allow,” MassDOT spokesman Patrick Marvin said in a phone interview Saturday. “We’re closely monitoring the weather.”

    Boston received between a half-inch and an inch of rainfall Saturday, with only isolated pockets of precipitation expected in the evening, said Kim Buttrick, a meteorologist with the National Weather Service.

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    At a press conference Friday, state Highway Administrator Jonathan Gulliver said his team would be keeping an eye on the weather as construction progressed with lightning and strong winds being the main concerns.

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    “We’re watching the weather very, very carefully because I’ve said this a number of times now that if we have a thunder and lightning storm in particular, those are what really would cause some concern,” he said.

    According to transportation officials, the project is on schedule and the westbound side of the bridge is expected to be completed by Aug. 11.

    On Saturday, construction crews were placing steel beams on the final span of the bridge and sealing concrete where needed, Marvin said.

    Two lanes of traffic are open in the eastbound direction on the Massachusetts Turnpike, with one lane open going westbound.

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    By 5 a.m. Monday, officials said they expect the Pike to be running at full capacity with four lanes of traffic in each direction for peak commuting hours, but there will still be lane closures during off-peak travel times.

    Marek Mazurek can be reached at marek.mazurek@
    globe.com.