I-29 Improvement Project
Woodbury County Road D-51 west of the Port Neal interchange
On Tuesday, Sept. 2, Woodbury County Road D-51 west of the Port Neal interchange (exit 135) will close. Traffic on Woodbury County Road D-51 west traffic will be required to use the Woodbury County Road K-25/Salix interchange (exit 134). Local access to Barnett Avenue will be maintained.

Woodbury County Road D-51 will remain closed until Nov. 21.

I-29 at Floyd Boulevard
Two-way Interstate 29 traffic will remain in the northbound lanes south of the Floyd Boulevard interchange. The traffic shift will accommodate the reconstruction of the southbound I-29/Bacon Creek bridge. Motorists should pay special attention to the signs directing traffic through the construction zone.

I-29 near Sergeant Bluff interchange
Northbound Interstate 29 traffic from 0.5 mile south of the Sergeant Bluff interchange (exit 141) to 1 mile south of exit 143 is restricted to one lane in each direction to accommodate reconstruction of the northbound I-29 lanes. Completion of the project is anticipated in late November, weather permitting.

Gordon Drive
Lewis Blvd. (IA 376) ramp closure
The eastbound Gordon Drive viaduct to southbound Lewis Boulevard (IA 376) ramp will be closed to accommodate a bridge repair project Monday, October 13, weather permitting, according to the Iowa Department of Transportationís Sioux City construction office. Ramp traffic will be detoured to South Wescott to Leech Avenue to Lewis Blvd. The ramp closure will last approximately 5 weeks.
View detour map

Eastbound Gordon Drive/Iowa 12
Beginning Tuesday, April 15, eastbound Gordon Drive/Iowa 12 traffic will be detoured to accommodate the ongoing reconstruction of Gordon Drive. Eastbound Gordon Drive traffic will be detoured on Nebraska Street to Third Street, then to Court Street, and then to Gordon Drive. Motorists are encouraged to be prepared for slowdowns through the work zone and allow extra time to reach their destination. The detour will be in place through November. Eastbound Gordon Drive Detour
View larger map

Segment 1
Status update
The contractor construction activities are focused on reconstruction of northbound lanes and bridge construction.
Segment 2
Status update
Contractor is working on reconstruction of the eastbound lanes of Gordon Drive from the viaduct through Pearl Street. Traffic is westbound only
Sidewalk closures
Status update
Virginia Street South of Gordon Drive Dace Avenue west of Court Street

The sidewalk across the Gordon Drive Viaduct.

Construction overview



orange line 2014     yellow line 2015      green line 2016      blue line 2017      purple line 2018