Interstate 64 in Missouri

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This article is about the section of Interstate 64 in Missouri. For the entire route, see Interstate 64.

Interstate 64 marker

Interstate 64
<mapframe frameless="1" width="290" height="250" align="center">{{Wikipedia:Map data/Wikipedia KML/Interstate 64 in Missouri}}</mapframe>
I-64 highlighted in red
Route information
Maintained by MoDOT
Length: 40.817 mi[1] (65.689 km)
Existed: 1987 – present
Major junctions
West end: I-70 / US 40 / US 61 in Wentzville
  <templatestyles src="Plainlist/styles.css"/>
East end: I-55 / I-64 / US 40 in St. Louis
Location
Counties: St. Charles, St. Louis, City of St. Louis
Highway system
← US 63 Route 64 →

Interstate 64 (I-64) passes through the Greater St. Louis area in the US state of Missouri. The entire route overlaps U.S. Route 40 (US 40). Because the road was a main thoroughfare in the St. Louis area before the development of the Interstate Highway System, 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.[2]

Route description

I-64 begins at an interchange with I-70, 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.[3] 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.[4] From here, I-64 continues past interchanges with Route DD/Winghaven Boulevard, Route 94, and Research Park Circle and then crosses the Missouri River 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. 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. 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 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.[5] I-64's speed limit drops from 60 to 55 mph (97 to 89 km/h) east of Kingshighway and drops a lane at Vandeventer Avenue (the opposite of the westbound lanes). Passing by Saint Louis University, 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 and again becomes double-decked in the same arrangement, passing within 50 feet (15 m) of the New Busch Stadium. The route becomes two lanes as it approaches the Mississippi River and the Poplar Street Bridge, where it is intersects I-55 and I-44 at an incomplete interchange; it was also at this interchange that I-70 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 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

In 2008, I-64/US 40 was closed in this area for a complete reconstruction between 2008 and 2009. Shown is the Spoede Road overpass above I-64. This overpass was demolished in June 2008.

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 (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.[6] The project was completed with a dedication and opening day ceremony on Sunday, December 6.[2] In 2020, exits 39 and 38B were closed and demolished to make way for the St. Louis MLS Stadium on the site.[7] The ramps were the remnants of a 3.3-mile-long (5.3 km) north–south distributor highway that was never built.[8]

Exit list

County Location mi[1] km Exit Destinations Notes
St. Charles Wentzville 0.000–
0.305		 0.000–
0.491		 –
Route 27 north / Invalid type: road – Hannibal		 Western terminus of concurrency with US-61/AOTS, national western end of I-64
1 I-70 / US 40 west – Kansas City, St. Louis Signed as exits 1A (west) and 1B (east); exit 210 on I-70; western terminus of concurrency with US 40; cloverleaf interchange
Lake St. Louis 1.433 2.306 1C Prospect Road
3.038 4.889 2 Lake Saint Louis Boulevard
3.926 6.318 4A Route N (Hawk Ridge Trail)
4.326 6.962 4B Route 364 – Dardenne Prairie Exits 1A-B on SR 364; cloverleaf interchange
O'Fallon 6.275 10.099 6 Route DD (Winghaven Boulevard)
9.995 16.085 9 Route K – O'Fallon
Weldon Spring 10.726 17.262 10 Route 94 – St. Charles Eastbound exit is via exit 9
11.928 19.196 11 Research Park Circle No westbound entrance
Missouri River 13.186 21.221 Daniel Boone Bridge
St. Louis Chesterfield 13.757–
14.043		 22.140–
22.600		 14 Chesterfield Airport Road Eastbound exit and westbound entrance
14.651 23.578 Spirit of Saint Louis Boulevard Westbound exit and eastbound entrance
14.917–
16.204		 24.007–
26.078		 16 Long Road / Chesterfield Airport Road Westbound exit and eastbound entrance
17.150 27.600 17 Boone's Crossing
19.221 30.933 19A Chesterfield Parkway West
19.848 31.942 19B Route 340 (Olive Boulevard / Clarkson Road)
20.50 32.99 20 Chesterfield Parkway East Westbound exit and eastbound entrance
20.316 32.695 21 Timberlake Manor Parkway
Town and Country 22.553 36.296 22 Route 141 (Woods Mill Road)
23.231 37.387 23 Maryville Centre Drive No eastbound exit
24.186 38.924 24 Mason Road
25.886 41.659 25 I-270 – Chicago, Memphis Exit 12 on I-270
26.207 42.176 26 Route JJ (Ballas Road) Access to Mercy Hospital, Missouri Baptist Medical Center, and Covenant Seminary
Frontenac 27.745 44.651 27 Spoede Road
28.267 45.491 28A US 61 south / US 67 (Lindbergh Boulevard) Eastern terminus of concurrency with US-61; national southern terminus of the Avenue of the Saints
Ladue 28.862 46.449 28B Clayton Road Westbound exit and eastbound entrance
30.735 49.463 30 McKnight Road
Richmond Heights 31.770 51.129 31A I-170 north – Clayton Exit 1 on I-170; southern terminus of I-170; access to Lambert–St. Louis Airport
32.249 51.900 31B Brentwood Boulevard / Hanley Road Roads connected via one way collector road
32 Laclede Station Road Former westbound exit and eastbound entrance; removed 2007[9]
33.071 53.223 33A Big Bend Boulevard
33.462 53.852 33B Bellevue Avenue Eastbound exit; westbound entrance via collector road connected to exit 33A
City of St. Louis 33.807 54.407 33C McCausland Avenue
34.042 54.785 34A Clayton Road / Skinker Boulevard Westbound exit and eastbound entrance
34.949 56.245 34B Hampton Avenue Eastbound slip ramp exit to Oakland Avenue eastbound; access to Forest Park and the Saint Louis Zoo
36.111 58.115 36A Kingshighway Boulevard Access to Barnes-Jewish Hospital, St. Louis Children's Hospital, Forest Park, the Missouri Botanical Garden, Ranken Technical College, the St. Louis Science Center, and St. Louis Community College
36.722–
36.800		 59.098–
59.224		 36B Boyle Avenue / Tower Grove Avenue Boyle Avenue only westbound
37.361 60.127 36C Vandeventer Avenue Eastbound exit and westbound entrance; access to the Missouri Botanical Garden
37.750 60.753 37A Market Street / Bernard Street Eastbound exit and westbound entrance
37.825 60.873 37B Grand Boulevard Eastbound exit and westbound entrance; access to Saint Louis University Hospital
38.000–
38.262		 61.155–
61.577		 38A Forest Park Avenue / Grand Boulevard Westbound exit and eastbound entrance; access to Forest Park and Washington University
38B Chestnut Street at 20th Street / Market Street at 21st Street Chestnut Street and 20th Street signed eastbound only; Market Street and 21st Street signed westbound only; portion of never-completed Missouri State Route 755; removed 2020 for construction of St. Louis City stadium
38.793 62.431 38C Jefferson Avenue Eastbound exit and westbound entrance
39.646 63.804 39B 14th Street Eastbound exit and westbound entrance; access to the Enterprise Center and the Stifel Theatre
39.806 64.062 39C 11th Street Eastbound exit and westbound entrance; access to Busch Stadium
40.011 64.391 40B 6th Street Eastbound exit and westbound entrance
40.140 64.599 40A 9th Street / Tucker Boulevard Westbound exit only; eastbound entrance via 6th Street; access to Busch Stadium
40.369 64.968 40C I-55 south / I-44 west – Memphis, Tulsa Western terminus of concurrency with I-55; westbound exit and eastbound entrance
40.407 65.029 40 I-44 east to I-70 west / Invalid type: road – Kansas City Westbound exit and eastbound entrance; Access to St. Louis Lambert International Airport
Mississippi River 40.817 65.689 Poplar Street Bridge
– I-55 north / I-64 east / US 40 east to I-70 east – Illinois Continuation into Illinois
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

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External links

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Interstate 64
Previous state:
Terminus		 Missouri Next state:
Illinois
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