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Iowa DOT provides update on flooded road conditions

June 30, 2011
Toledo Chronicle, Tama News-Herald
tamatoledonews.com - AMES– June 29, 2011 – 5 p.m. – The Iowa Department of Transportation (DOT) is providing the following update on road conditions in western Iowa. The department is also continuing to monitor at-risk areas as flood water levels change.

Current road closures/restrictions



· UPDATED: I-29 Hamilton Boulevard interchange in Woodbury County: The southbound I-29 interchange ramps at Hamilton Boulevard in Sioux City are closed. An alternative ramp has been constructed from southbound I-29 to Wesley Parkway/U.S. 77.



· I-29 in Pottawattamie County: The south- and northbound lanes of I-29 between milepost 54B (North 35th Street interchange in Council Bluffs) and the I-29/680 interchange at milepost 71 (near Loveland) are closed. This is expected to be a longer-term closure.



· I-29 in Fremont County, Iowa, and Atchison County, Mo: I-29 is closed in both directions from Iowa 2 (exit 10 in Iowa) to the U.S. 136 interchange in Missouri (near Rock Port). This is expected to be a longer-term closure.



· I-29 exit and entrance ramps in Fremont County: All I-29 exit and entrance ramps at exit 20 near Thurman are closed due to rising ground water.



· I-680 in Omaha area: I-680 is closed from the I-29/680 interchange (exit 61 near Crescent) in Iowa to North 30th Street in Omaha, Neb. (exit 13). This closure includes the Mormon Bridge across the Missouri River. This is expected to be a longer-term closure.



· UPDATED: U.S. 30 between Missouri Valley and Blair, Neb. This road is closed temporarily to permit installation of flood barrier walls along the south side of the roadway. The road is expected to be closed for approximately two days. Operations will be performed around-the-clock to expedite the work. After the road is reopened, flood barrier walls will be installed on the north side of the road, but work will be performed using intermittent closures, pilot vehicles and flagging operations.



· Iowa 2 in Fremont County: Iowa 2 is closed from I-29 in Iowa to Nebraska City. Both east- and westbound lanes are closed. This is expected to be a longer-term closure.



· UPDATED: Iowa 175 between Onawa and Decatur, Neb.: Flood mitigation work consisting of sandbagging and installation of concrete barrier rail is still underway along Iowa 175. The purpose of this work is to allow the road to reopen quicker once the river embankment stabilization work is completed. The road is closed because of serious erosion of the embankment near the east abutment of the Decatur bridge. This erosion threatens the integrity of the roadway approach to the bridge. The road is not safe for travel. Additional details will be released about this closure when they become available.



· Iowa 333 in Hamburg: Iowa 333 is closed from I-29 into Hamburg. Access to Hamburg is currently available via U.S. 275 in Iowa.



· Iowa 376 northbound (U.S. 75 Business-Lewis Boulevard): The exit ramp to westbound Gordon Drive is closed.







Highway segments at higher risk of being closed due to flooding



· I-29 (north of Blencoe): Flood barrier walls are being installed in this area to reduce the risk of flooding. There is a temporary detour in place for I-29 northbound travelers, which is allowing the barriers to be installed. Follow the detour signs.



· UPDATED: I-29 (north of Missouri Valley): Flood barrier walls have been installed in this area.



· I-29 (north of Modale, between mileposts 85-88): This is a levee-protected area. However, if a breach were to occur, it would be inundated with several feet of flood waters.



· I-29 (north of Whiting, near milepost 121): This area is threatened due to a connection between the Missouri River and a stream that flows under Berry Avenue and through the Badger Lake State Wildlife Management Area.



· UPDATED: I-29/I-680 interchange: This interchange near Loveland was previously closed due to flooding. Mitigation work, including use of sandbags, barrier wall and pumps, allowed the roadway to reopen. Because this area remains vulnerable to increased water levels, additional mitigation measures will be taken, including contract work to install large drainage pipes.



· U.S. 34, between I-29 in Iowa and Plattsmouth, Neb.: This roadway is protected by a levee system, but remains at risk from a levee breach or overtopping. The mandatory evacuation within Mills County due to rising ground water has not affected this roadway. U.S. 34 remains open to travel.







Being monitored



· I-29, northbound off-ramp to Dace Avenue in Sioux City (exit 147B or commonly known as the Downtown/Tyson Events Center): Flood mitigation efforts will be deployed to try to keep this ramp open.



· I-29, southbound exit ramp to Nebraska Street (exit 147B) in Sioux City: This area is dike protected, but would be inundated if the dike is breached or overtopped.



· I-29, northbound and southbound lanes in Sioux City at the U.S. 77/Wesley Parkway underpass (between exits 148 and 149): Flood mitigation efforts will be deployed to try to prevent this low area from being flooded.



· NEW: I-29 (south of Blencoe, between mileposts 103-105): Flood waters are spreading across the drainage area nearby, but present no immediate threat to the roadway.



· I-29, from the Bellevue, Neb., interchange (milepost 42) to Iowa 2 (milepost 10): This area is at a lesser risk, but would be inundated if a levee is breached or overtopped.



· I-29 exit and entrance ramps at the Bartlett interchange, exit 24: Ground water has been rising nearby, which threatens the area below I-29.



· Iowa 127 near Mondamin: The Iowa DOT is monitoring areas east and west of Mondamin, near mileposts 0.8 and 1.5, but the risk of flooding is lower because the road is protected somewhat by a high ridge.







Key traveler information resources



· Iowa DOT’s flood information call center 866-452-8510, open from 7 a.m. to 9 p.m. daily, speak to an operator for travel assistance



· Road condition information 24 hours a day: visit www.511ia.org <iowadot.purlsmail.com/sendlink.asp?HitID=1309385803671&StID=25681&SID=0&NID=535404&EmID=75427116&Link=aHR0cDovL3d3dy41MTFpYS5vcmcv&token=e41641bf0fb0a880f79d11f0ed9d4d8f1ef868a0> , or call 511 (in Iowa) or 800-288-1047 (outside of the state) for a recorded message of road closures



· Iowa DOT on Twitter- twitter.com/#!/iowadot/ <iowadot.purlsmail.com/sendlink.asp?HitID=1309385803671&StID=25681&SID=0&NID=535404&EmID=75427116&Link=aHR0cDovL3R3aXR0ZXIuY29tLyMhL2lvd2Fkb3Qv&token=e41641bf0fb0a880f79d11f0ed9d4d8f1ef868a0>



· View the flooded Iowa roads map for road closures, detours and areas at risk of flooding - tinyurl.com/3o2mtlp <iowadot.purlsmail.com/sendlink.asp?HitID=1309385803671&StID=25681&SID=0&NID=535404&EmID=75427116&Link=aHR0cDovL3Rpbnl1cmwuY29tLzNvMm10bHA%3D&token=e41641bf0fb0a880f79d11f0ed9d4d8f1ef868a0>



 
 

 

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