Bridges Weekly Update #16

28 July 2004

ON SCHEDULE

Of the 146 bridges scheduled to be repaired this year, we are completed with 55 of them, and 7 more are currently works-in-progress as of July 28th. All bridgework is proceeding on schedule to be completed by November 2004. Span change out is complete on the east end of the Sioux River Bridge.

¨ E-80 and Osmose are both continuing between Verdi and Garvin on RRIF bridges.

¨ The Sioux River Bridge is being worked on by E-80. Prep work began on March 15^th and on April 12^th they started driving piling with 36 of 78 pilings being driven thus far. This completes the pile driving that is required for the east end of the bridge. For the next two months the crew was working on the concrete caps and abutments, which were poured in place. The first of these concrete caps was poured on Wednesday May 26^th and all of these concrete caps in the east approach span have been completed. The crew completed the final touches on the east end of the bridge this week. The crane is moved to the west side and started pile driving on the west approach span yesterday. This project is on schedule and should be completed by November 2004.

¨ Tthe ballast tubs deck renewal for Br# 502 at MP 196.7 is in progress, 12 of the 22 ballast tubs were changed-out as of today or approximately a half of this bridge deck is completed.

¨ The four bridges completed this week were located on the PRC Subdivision at MP 536.6 and on the Huron Subdivision at MP 272.8, MP 267.9 and MP 267.1.