Business Loop 70 will close for bridge work

Monday, August 11, 2014 | 5:16 p.m. CDT; updated 7:47 p.m. CDT, Monday, August 11, 2014

COLUMBIA — The portion of Business Loop 70 under the Route B bridge and the ramp that connects the road to the bridge will be closed from 7 p.m. Monday to 6 a.m. Tuesday.

The closures are for the setting of concrete box girders for the construction of the new Route B bridge, which has a scheduled reopening date of Sept. 15, according to  Resident Engineer Charles Sullivan. APAC-Missouri will be building the bridge.

The news release provided two suggested detours for motorists:

  • Westbound drivers should take a left off Business Loop 70 onto Old 63 ; a right onto Ammonette Street; then a left onto Paris Road; followed by a right onto College Avenue that will take them back to Business Loop 70.
  • Eastbound drivers should take a right onto College Avenue; a left onto Paris Road; then a right onto Ammonette Street; followed by a left on Old 63; and finally a right onto Business Loop 70.

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APAC-Missouri will be using a new construction technique called geosynthetic reinforced soil to build the new $881,239 bridge. The technique involves a sandwiching of woven fabric and rock, Sullivan said.

He said this method saves time and money. The traditional bridge-building method uses steel tiling for construction, and the process takes about three months.

This is the first time the geosynthetic reinforced soil technique is being used to construct bridges in Missouri that he knows of, Sullivan said.

Supervising editor is Samuel Hardiman.

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