I-55 Closes This Weekend for Holly Hills Bridge Removal

MoDOT will close a section of Interstate 55 in South St. Louis City this weekend to remove the Holly Hills Bridge. I-55 will be closed in both directions from Carondelet to 4500 Broadway starting at 9 p.m. Friday, April 15 until 5 a.m. Monday, April 18.

Motorists are encouraged to use I-44 as an alternate route. This work will not be affected by weather.

This construction is part of the Interstate 55 Bridge Replacement Project to remove and replace the Holly Hills and Delor Bridges. Both of them were built in the early 1960s and have deteriorated beyond the point of simply repairing the bridges. The Delor Bridge was removed in mid-March and remains closed. Both bridges are expected to reopen in early October 2011.

South County motorists using northbound I-270 from Gravois to I-44 may be affected by a triple lane closure from 8 p.m. Friday to 5 a.m. Sunday. Lanes are being shifted on northbound I-270 to prepare for construction repairs to the I-270 bridges over Rott Road and over I-44. This weekend’s work is weather permitting.

Northbound I-270 traffic will remain shifted and have narrowed lanes for two months for this construction with a reduced work zone speed limit of 45 mph in place around the clock. Similar work will occur on southbound I-270 in June.

On-going closures that may affect South County drivers are as follows:

  ·    I-55, St. Louis City, Delor Street across I-55 is closed for bridge

     replacement.

  ·    I-55, St. Louis City, Holly Hills across I-55 is closed for bridge

     replacement.

  ·    I-55, Jefferson County, on ramp from Route M to Southbound I-55.

  ·    I-55, Jefferson County, northbound I-55 exit to Route M closed until

     mid 2011.

Daily interstate lane closures, weather permitting, are as follows:

Thursday, April 14

  ·    I-270, St. Louis County, 9 a.m. to 2 p.m., one lane closed northbound

     from Gravois to I-44.

  ·    I-55, Jefferson County, 9 a.m. to 5 p.m., one lane closed northbound

     at Route M.

  ·    I-55, Jefferson County, 6:30 a.m. to 2:30 p.m., one lane closed

     southbound at Route M. 

Friday, April 15 

  ·    I-55/64/70 Poplar Street Bridge, 8 p.m. Friday until 5 a.m. Monday,

     two lanes closed westbound and exit ramp to westbound I-70 closed.

  ·    I-270, St. Louis County, 8 p.m. Friday until 5 a.m. Sunday, three

     lanes closed northbound between Gravois and I-44.

  ·    I-55, Jefferson County, 9 a.m. to 5 p.m., one lane closed northbound

     at Route M.

  ·    I-55, Jefferson County, 6:30 a.m. to 2:30 p.m., one lane closed

     southbound at Route M.

Saturday, April 16

  ·    I-55/64/70 Poplar Street Bridge, until 5 a.m. Monday, two lanes

     closed westbound and exit ramp to westbound I-70 closed.

  ·    I-270, St. Louis County, until 5 a.m. Sunday, three lanes closed

     northbound between Gravois and I-44.

Sunday, April 17

  ·    I-55/64/70 Poplar Street Bridge, until 5 a.m. Monday, two lanes

     closed westbound and exit ramp to westbound I-70 closed.

Monday, April 18

  ·    I-55, St. Louis City, 6 a.m. to 2 p.m., one lane closed southbound at

     Delor.

  ·    I-55, St. Louis City, 6 a.m. to 2 p.m., one lane closed southbound at

     Holly Hills.

  ·    I-55, Jefferson County, 9 a.m. to 5 p.m., one lane closed northbound

     at Route M.

  ·    I-55, Jefferson County, 6:30 a.m. to 2:30 p.m., one lane closed

     southbound at Route M. 

Tuesday, April 19

 ·    I-55, St. Louis City, 6 a.m. to 2 p.m., one lane closed southbound at

     Delor.

  ·    I-55, St. Louis City, 6 a.m. to 2 p.m., one lane closed southbound at

     Holly Hills.

  ·    I-55, Jefferson County, 9 a.m. to 5 p.m., one lane closed northbound

     at Route M.

  ·    I-55, Jefferson County, 6:30 a.m. to 2:30 p.m., one lane closed

     southbound at Route M.

Wednesday, April 20

  ·    I-55, St. Louis City, 6 a.m. to 2 p.m., one lane closed southbound at

     Delor.

  ·    I-55, St. Louis City, 6 a.m. to 2 p.m., one lane closed southbound at

     Holly Hills.

  ·    I-55, Jefferson County, 9 a.m. to 5 p.m., one lane closed northbound

     at Route M.

  ·    I-55, Jefferson County, 6:30 a.m. to 2:30 p.m., one lane closed

     southbound at Route M.