11/14/2008
Reed Hollinshead
ITD Communication
208-334-8881
reed.hollinshead@itd.idaho.gov
Pier cap placement for Black Cat Road Bridge to cause lane closure Monday night (Nov. 17)
BOISE - Crews will continue work on the Black Cat Road Bridge Monday night (Nov. 17) when a pier cap is placed on two new bridge columns on I-84, the Idaho Transportation Department (ITD) announced.
The inside lane on westbound I-84 between Garrity and Meridian interchanges will be closed overnight on Nov. 17 from 10 p.m. to 5 a.m. while the cap is placed.
The pier cap is a concrete block weighing about 92 tons that supports the bridge deck and distributes the weight of the bridge and vehicles driving on the structure.
The overnight placement is one of several accelerated bridge construction methods ITD is using to expedite construction on the heavily traveled interstate.
Work resumed Oct. 29 on portions of the project not in the immediate area of an accident that occurred Oct. 27. An assembly structure collapsed during a concrete pour of bridge decks in a field northwest of the former Robinson Road structure. No work is occurring on the bridge decks while investigators disassemble the structure to determine the cause of the accident.
The bridge investigation is not expected to interfere with progress on the I-84 widening project.
Robinson Boulevard is closed from Franklin Road to Stamm Lane. Black Cat Road is closed between Franklin Road and Overland Road.
Graham Construction & Management Inc. of Spokane is the contractor for the $8.5 million bridge project.
The project is funded through the GARVEE Transportation Program, which uses Grant Anticipation Revenue Vehicle (GARVEE) bonds to expedite I-84 improvements.