AMES, Iowa – With the warm, dry winter, the Iowa Department of Transportation’s construction work is off to an early start. Depending on the remaining outcomes of bid lettings through June, the Iowa DOT will have let out to bid more than $700 million in primary system construction work during the 2012 fiscal year. Iowa DOT projects are or will be underway in every part of the state, as well as many county, city and utility projects. This is a list of the most visible projects, according to the Iowa DOT’s Office of Construction.
North central /Northeast Iowa
Roadway: Interstate 35
County: Cerro Gordo and Worth
Both the north- and southbound lanes of I-35 will be resurfaced in three locations: from Clear Lake north to the Cerro Gordo County Road B-20 interchange; from 1.5 miles north of Iowa 9 north to 1 mile south of Northwood and from 2 miles north of Worth County Road 105 north to the Minnesota state line. Traffic will be maintained in a single lane in each direction.
Roadway: Interstate 380/U.S. 20
County: Black Hawk
Southbound I-380/U.S. 20 from River Forest Road in Evansdale to the east I-380/U.S. 20 interchange will be constructed. Traffic will be maintained in a two-lane, two-way operation in the northbound lanes. Motorists are being urged to find an alternate route. Emergency detours have been established. Visit the project website for complete details athttp://www.iowadot.gov/i380/.
Roadway: U.S. 218
County: Bremer
U.S. 218 near Janesville will be reconstructed to include a new interchange at Bremer County Road C-50. U.S. 218 traffic will be maintained at all times, but single lane closures will occur during stages of the project. Bremer County Road C-50 will be closed and detoured during bridge construction.
Central Iowa
Roadway: Interstate 35
County: Polk
In Ankeny, I-35 is being reconstructed from 1 mile south of NE 36th Street to 1 mile south of 126th Avenue, including a new interchange at NE 36th Street. Two lanes of traffic will be maintained in each direction during peak hours. Single lane closures may occur during off-peak hours.
In West Des Moines, I-35 will have the median reconstructed to add additional traffic lanes for capacity improvements from the Raccoon River bridge to University Avenue. Two lanes of traffic will be maintained in each direction during peak hours. Single lane closures may occur during off-peak hours.
Roadway: Interstate 80
County: Polk
I-80 at the Altoona interchange, a new bridge and approaches will be constructed over U.S. 65. Two lanes of traffic will be maintained in each direction during peak hours. Single lane closures may occur during off-peak hours.
Roadway: U.S. 20
County: Hamilton
Westbound U.S. 20 will be reconstructed from the west Iowa 17 interchange (Stagecoach Road/Hamilton County Road D-25) east to the U.S. 69 interchange. Traffic will be maintained in a two-lane, two-way operation in the eastbound lanes.
Roadway: U.S. 30
County: Story
In Ames, U.S. 30 is being resurfaced from University Boulevard to 1 mile east of I-35. Work will be accomplished at night with one lane of traffic in each direction maintained at all times.
Roadway: U.S. 63
County: Bremer
U.S. 63 in Bremer County will be widened to a four-lane, divided highway from Iowa 3 north 9 miles. Traffic will be maintained on the existing highway.
Roadway: U.S. 20
County: Sac and Calhoun
Relocated U.S. 20 in Sac and Calhoun counties from U.S. 71 east to Iowa 4 is being paved. Alternating side roads will be closed during paving operations. Through traffic will be maintained on existing highways until the entire corridor is completed. Single lane closures may occur during off-peak hours.
Roadway: U.S. 71
County: Clay and Dickinson
Northbound U.S. 71 from Spencer to Milford will be reconstructed. Traffic will be maintained in a two-lane, two-way operation in the existing southbound lanes.
Eastern Iowa
Roadway: Interstate 80
County: Johnson
I-80 from the Iowa River bridge to 1.5 miles east of the Iowa 1 interchange will be reconstructed. Two lanes of traffic will be maintained in each direction during peak hours. Single lane closures may occur during off-peak hours.
Roadway: Interstate 380
County: Linn
I-380 southbound from Ash Pit Road bridge in Cedar Rapids north to Linn County Road E-34 will be resurfaced. Single lane closures may occur during off-peak hours and on weekends. Work will also include bridge rail repair from Diagonal Drive interchange to the Ash Pit Road bridge.
Roadway: Interstate 380
County: Johnson
I-380 at the I-80 interchange north 1 mile will have bridge deck repair projects both north- and southbound at the I-80 interchange bridges, Iowa Interstate Railroad bridges and Clear Creek bridges. Two lanes of traffic will be maintained in each direction during peak hours. Single lane closures may occur during nighttime hours.
