Interstate 64 (I-64) passes through the

Greater St. Louis Greater St. Louis is the 23rd-largest metropolitan statistical area (MSA) in the United States, the largest in Missouri, and the second-largest in Illinois. Its core city—St. Louis, Missouri—sits in the geographic center of the metro area, ...

area in the US state of

Missouri Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it border ...

. The entire route is concurrent with

U.S. Route 40 U.S. Route 40 or U.S. Highway 40 (US 40), also known as the Main Street of America (a nickname shared with U.S. Route 66), is a major east–west United States Highway traveling across the United States from the Mountain States to the Mid- ...

(US 40). Because the road was a main thoroughfare in the St. Louis area before the development of the

Interstate Highway System The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of controlled-access highways that forms part of the National Hi ...

, it is not uncommon for locals to refer to the stretch of highway as "Highway 40" rather than "I-64". On December 6, 2009, the portion of the highway running through the city of St. Louis was named the Jack Buck Memorial Highway in honor of the late sportscaster.

Route description

I-64 begins at an interchange with

I-70 Interstate 70 (I-70) is a major east–west Interstate Highway in the United States that runs from I-15 near Cove Fort, Utah, to I-695 and Maryland Route 570 (MD 570) in Woodlawn, just outside Baltimore, Maryland. I-70 appr ...

, US 40, and US 61 in St. Charles County and heads south. Previously, the freeway was a divided highway signed only as US 40 with at-grade intersections, which were slowly converted to limited-access exits. The final intersection at Callahan Road was removed on October 14, 2009. The next major exit is for Route N and the western terminus of Route 364. Route 364 was completed and opened on November 2, 2014. From here, I-64 continues past interchanges with Route DD/Winghaven Boulevard, Route 94, and Research Park Circle and then crosses the

Missouri River The Missouri River is a river in the Central United States, Central and Mountain states, Mountain West regions of the United States. The nation's longest, it rises in the eastern Centennial Mountains of the Bitterroot Range of the Rocky Moun ...

via the Daniel Boone Bridge and enters St. Louis County. The freeway travels through the congested Chesterfield Valley, where it gains a fourth lane and then meets I-270 at a flyover interchange built in the early 1990s in the city of Town and Country. Continuing east, I-64 remains four lanes and travels through the affluent areas of Frontenac and

Ladue Ladue is an inner-ring suburb of St. Louis, located in St. Louis County, Missouri. As of the 2020 census, the city had a population of 8,989. Ladue has the highest median household income of any city in Missouri with a population over 1,000. Ge ...

. The next major interchange is I-170 in the city of Richmond Heights. This stretch, located between Ballas Road and I-170, was closed in 2008 for a complete reconstruction, at which point substandard exits were upgraded and the fourth lane was added. The interchange with I-170 was also overhauled, creating a full interchange with highspeed ramps in all directions. The reconstructed expressway opened to traffic on the morning of December 15, 2008. East of the interchange with I-170, I-64 drops a lane and stays at three throughlanes to Clayton Road. Through here, the expressway passes through older neighborhoods and enters into the city of

St. Louis St. Louis ( , sometimes referred to as St. Louis City, Saint Louis or STL) is an independent city in the U.S. state of Missouri. It lies near the confluence of the Mississippi and the Missouri rivers. In 2020, the city proper had a populatio ...

. After readding a fourth lane, the freeway skirts the southern edge of Forest Park. In this area, one finds both the

Saint Louis Science Center The Saint Louis Science Center, founded as a planetarium in 1963, is a collection of buildings including a science museum and planetarium in St. Louis, Missouri, on the southeastern corner of Forest Park (St. Louis, Missouri), Forest Park. With o ...

and Saint Louis Zoo. Kingshighway marks the end of the completely reconstructed eastern half, where again outdated exits were updated and shoulders widened. The eastern half was closed from December 15, 2008, to December 7, 2009. I-64's speed limit drops from east of Kingshighway and drops a lane at Vandeventer Avenue (the opposite of the westbound lanes). Passing by

Saint Louis University Saint Louis University (SLU) is a private university, private Society of Jesus, Jesuit research university in St. Louis, Missouri, United States. Founded in 1818 by Louis William Valentine DuBourg, it is the oldest university west of the Missi ...

, the freeway becomes double-decked for the first time (eastbound lanes at a lower level; westbound lanes at an upper one), gaining back a fourth lane east of Compton Avenue. Another lane drop occurs at the Chestnut and 20th Street exit, where the canceled Route 755 was to interchange. The freeway passes just south of the

Enterprise Center The Enterprise Center is an 18,096-seat arena located in downtown St. Louis, Missouri, United States. Its primary tenant is the St. Louis Blues of the National Hockey League, but it is also used for other functions, such as NCAA basketball, N ...

and again becomes double-decked in the same arrangement, passing within of the New Busch Stadium. The route becomes two lanes as it approaches the

Mississippi River The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...

and the Poplar Street Bridge, where it is intersects I-55 and

I-44 Interstate 44 (I-44) is an Interstate Highway in the central United States. Although it is nominally an east–west road as it is even-numbered, it follows a more southwest–northeast alignment. Its western terminus is in Wichita Falls, T ...

at an incomplete interchange; it was also at this interchange that

joined I-55 and I-64 to cross the Poplar Street Bridge, but its former downtown route is now an extension of I-44. Eastbound I-64 cannot directly access either one of the other routes, but westbound I-64, however, can directly access both. I-64 continues into

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...

concurrent with I-55; until 2014, it also ran concurrent with I-70, which has since been rerouted onto the Stan Musial Veterans Memorial Bridge further upstream.

History

Initial construction

Before the Interstate Highway System, US 40 was a main thoroughfare through St. Louis and Kansas City. From each state line, there were signs saying "Future I-55/I-64 Corridor" and "Future I-70 Corridor".

Reconstruction

The

Missouri Department of Transportation The Missouri Department of Transportation (MoDOT, ) is a state government organization in charge of maintaining public roadways of the U.S. state of Missouri under the guidance of the Missouri Highways and Transportation Commission (MHTC). MoDOT ...

(MoDOT) rebuilt the stretch of I-64 from Spoede Road to Kingshighway Boulevard between 2008 and 2009. The project included new concrete pavement on the highway; approximately 25 rebuilt bridges; and several reconfigured interchanges, including a new freeway-to-freeway interchange at I-170. The section between Spoede Road and I-170 was closed for reconstruction on January 2, 2008, and opened to traffic on December 15, 2008. The section between I-170 and Kingshighway Boulevard was closed on December 15, 2008, and reopened to traffic on December 7, 2009. The project was completed with a dedication and opening day ceremony on Sunday, December 6. In 2020, exits 39 and 38B were closed and demolished to make way for the CityPark, a new soccer-specific stadium for

St. Louis City SC St. Louis City Soccer Club (stylized as St. Louis CITY SC) is an American professional association football, soccer club based in St. Louis. The club competes in Major League Soccer (MLS) as a member of the Western Conference (MLS), Western Con ...

on the site. The ramps were the remnants of a north–south distributor highway that was never built.

Exit list

References

External links

Missouri Department of Transportation: The New I-64
{{DEFAULTSORT:Interstate 64 In Missouri 64 Roads in Greater St. Louis Transportation in St. Charles County, Missouri Transportation in St. Louis County, Missouri Transportation in St. Louis 1956 establishments in Missouri Missouri