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Interstate 480 (Nebraska–Iowa)

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Interstate 480 marker
Interstate 480
Gerald R. Ford Expressway
Map
I-480 highlighted in red
Route information
Auxiliary route of I-80
Maintained by NDOT and Iowa DOT
Length4.9 mi[1] (7.9 km)
Nebraska: 4.15 mi (6.68 km)
Iowa: 0.75 mi (1.21 km)
ExistedNovember 21, 1966[2]–present
NHSEntire route
Major junctions
South end I-80 / US 75 in Omaha, Neb.
Major intersections
East end I-29 / US 6 in Council Bluffs, Iowa
Location
CountryUnited States
States
Counties
Highway system
← US 385NE→ I-680
← Iowa 415IA→ I-680

Interstate 480 (I-480) is a 4.9-mile-long (7.9 km) auxiliary Interstate Highway that connects I-80 in Downtown Omaha, Nebraska, with I-29 in Council Bluffs, Iowa. The portion of I-480 in Nebraska has been named the Gerald R. Ford Expressway, named in honor of the former president, who was a native of Omaha. For most of its length, I-480 is overlapped by a US Highway; for two miles (3.2 km) with US Highway 75 (US 75) and for one mile (1.6 km) with US 6. I-480 includes the Grenville Dodge Memorial Bridge over the Missouri River.

Route description

[edit]
An aerial view of Downtown Omaha with I-480 skirting the northern edge

I-480 begins at an interchange with I-80 to the east and west and with US 75, known as the Kennedy Freeway, to the south. Going north, I-480 passes the Hanscom Park neighborhood to the west and the Vinton Street Commercial Historic District to the east. At exit 1A, I-480 intersects Martha Street, which before January 1, 2003, was the eastern end of Nebraska Highway 38 (N-38).[3] North of Martha Street, I-480 passes the Gerald R. Ford Birthsite and Gardens. At the Leavenworth Street exit, the highway divides the Leavenworth neighborhood from the Old Market neighborhood. Shortly after the Leavenworth Street exit is the Harney Street exit, which provides access to US 6 from eastbound I-480. before the North Freeway interchange, I-480 passes beneath Dodge and Douglas streets, which are the westbound and eastbound lanes of US 6, respectively.

Just to the southwest of the Creighton University campus is the North Freeway interchange, where US 75 leaves eastbound I-480 and joins westbound. The North Freeway was originally planned to be an Interstate Highway, "I-580", connecting northern Omaha to downtown, but this project was canceled with the interchange in midst of construction. A number of so-called ghost ramps can be found, but these are being eliminated during the reconstruction of this interchange. Here, I-480 turns to the east toward Council Bluffs, Iowa. I-480 passes between the NoDo and Downtown Omaha neighborhoods. Farther east, it dips to the southeast near CHI Health Center Omaha, part of the NoDo neighborhood. Immediately before crossing the Missouri River, US 6 joins I-480 to cross into Iowa. This bridge over the Missouri River was constructed in 1965–1966 to replace the old Ak-Sar-Ben Bridge which had been the first highway bridge across the river in this area.

Upon entering Council Bluffs, I-480 meets up with I-29 just 0.75 miles (1.21 km) from the Missouri River.[4] On the other side of this interchange, I-480 ends where US 6 traffic encounters signal-controlled intersections.

History

[edit]
The I-480 bridge over the Missouri River between Council Bluffs, Iowa, and Downtown Omaha, Nebraska.

In the late 1950s, the construction of what was then referred to as Route 3 was highly controversial. It conveniently crossed through the western and northern edges of Downtown Omaha, two areas city leaders had considered "blighted" since the 1930s. The heavily Catholic, ethnic European neighborhoods the route went through rallied against the demolition of their homes, and the city's parks advocates provided resistance as well. Eventually, the Interstate planners won out, and the city's historic Jefferson Square was demolished, as well as dozens of homes along the route.[5]

In 1999, a bill was introduced in the US House of Representatives that would have extended I-480 south along US 75 in southern Omaha and in Bellevue, Nebraska, then east through Plattsmouth to connect with I-29 near Glenwood, Iowa, which would have increased the length of I-480 to 19 miles (31 km). However, this bill was tabled in the committee.

In 2004, the Nebraska Department of Roads (now the Nebraska Department of Transportation [NDOT]) began a project to reconstruct the I-480/US 75 interchange. Work took place in three phases spread out over the course of six years. The final phase of the $52-million project was funded with $13 million ($69.5 million and $17.4 million in 2023,[6] respectively) in American Recovery and Reinvestment Act of 2009 stimulus money.[7] The project was completed in May 2011 just in time for the College World Series.[8]

In March 2021, the Iowa DOT began a project to improve the I-29/I-480/West Broadway System Interchange at I-480's eastern terminus. The project was done to improve traffic flow, safety, and the functional design at that interchange as well as at the adjacent I-29 interchanges at 41st Street, 35th Street, Avenue G and 9th Avenue. The project is projected to be completed by the end of 2024.[9]

Exit list

[edit]
StateCountyLocationmi[10][4]kmExitDestinationsNotes
NebraskaDouglasOmaha0.000.00452C
 US 75 south (Kennedy Freeway) / I-80 – Offutt AFB, Lincoln, Des Moines		Counterclockwise terminus; southern end of US 75 overlap; exit 452C is for I-80 westbound; exit number based on I-80 mileage; I-80 exit 452; continues south as US 75 (Kennedy Freeway)
0.891.431AMartha StreetFormer N-38
1.812.911BLeavenworth StreetNorthbound exit and southbound entrance only
1.893.042AHarney Street / Dodge Street (US 6 west)No southbound exit
2.253.622B30th Street / Dodge Street (US 6 west)No northbound exit
2.544.092C
 US 75 north (North Freeway) – Creighton University, Event Center–Ballpark, Eppley Airfield		Northern end of US 75 overlap; former I-580
3.205.152D20th Street – Auditorium / Capitol AvenueEastbound exit only
17th Street / Chicago StreetWestbound entrance only
3.525.66314th Street – Event Center–Ballpark, Old Market District, Creighton UniversityNo westbound entrance
13th StreetWestbound entrance only
4.006.444
 US 6 west (Dodge Street) – Event Center–Ballpark, Eppley Airfield		One-way street; western end of US 6 overlap; westbound exit only; former US 75 south
US 6 (Douglas Street)One-way street; western end of US 6 overlap; eastbound entrance only; former US 75
Missouri River4.23
0.000		6.81
0.000		Grenville Dodge Memorial Bridge; Nebraska–Iowa state line
IowaPottawattamieCouncil Bluffs0.2740.4410Riverfront / W. BroadwayEastbound exit and westbound entrance
0.7211.160—
 I-29 north – Sioux City		Eastbound exit and westbound entrance; I-29 exit 53B
—9th Avenue / Harrah's BoulevardEastbound exit and westbound entrance


 I-29 south / US 6 east – Kansas City		Clockwise terminus; eastern end of US 6 overlap; I-29 exit 53B
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

[edit]
  1. ^ "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. December 31, 2021. Retrieved July 8, 2022.
  2. ^ Iowa Department of Transportation (1996). The National System of Interstate Defense Highways 1956–1996.
  3. ^ "End of the historic road as Nebraska Highway 38 goes off the map". Omaha World-Herald. January 10, 2003.
  4. ^ a b "Road Network (Portal)" (ESRI shapefile). Ames: Iowa Department of Transportation. April 9, 2021. Retrieved April 18, 2021.
  5. ^ Daly-Bednarek, Janet R. (November 1, 1992). The Changing Image of the City: Planning for Downtown Omaha, 1945-1973. University of Nebraska Press. pp. 152, 177. ISBN 0-8032-1692-0.
  6. ^ Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved November 30, 2023. United States Gross Domestic Product deflator figures follow the MeasuringWorth series.
  7. ^ "Grant – Award Summary". American Recovery and Reinvestment Act of 2009. Archived from the original on December 14, 2012. Retrieved August 18, 2012.
  8. ^ Staff (2011). "I480/US75 Interchange Downtown Omaha" (PDF). Annual Report. Nebraska Department of Roads. p. 12. Retrieved August 18, 2012.
  9. ^ "Interstate construction beginning soon at I-29/I-480/West Broadway interchange". iowadot.gov/. Iowa DOT. Retrieved June 22, 2024."Council Bluffs Interstate :: I-29/I-480/West Broadway Interchange". councilbluffsinterstate.iowadot.gov. Iowa DOT. Retrieved June 22, 2024.
  10. ^ "Nebraska Highway Reference Log Book" (PDF). Nebraska Department of Transportation. July 2020. pp. 370–372. Archived from the original (PDF) on October 8, 2021. Retrieved April 18, 2021.
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