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Interstate 64


New signs for Interstate 64 were added to the U.S. 40 freeway starting in April 1993 on the stretch between the Poplar Street Bridge and McCausland Avenue.1 The designation was applied to U.S. 40 between Interstate 270 and the Poplar Street Bridge in 1987.

The west end of the Poplar Street Bridge ties Interstate 64 & U.S. 40 with Interstates 44 west & 55 south and Interstate 44 east. I-64 & U.S. 40 transitions from a deck girder bridge onto a double decker freeway westward by Busch Stadium and the south side of downtown. Photo taken June 1, 2011.

The origins of Interstate 64, and the Highway 40 freeway before that, go back to two roadways, the Red Feather Highway, named in 1948 after a charity and running within the city of St. Louis, and the Daniel Boone Expressway between Wentzville and Brentwood. The two roadways were connected in the late 1950s and designated as part of U.S. 40 freeway. The Red Feather Highway, previously called the Oakland Express Highway, was constructed from downtown to Forest Park between 1935 and 1938. The U.S. 40 portion along the Daniel Boone Expressway was built in the 1930s and 1940s.2

A five-year $55.5-million construction project upgraded the full-cloverleaf interchange between Interstate 270 and U.S. 40 between 1988 and December 7, 1993. This work involved over 50 different ramp configurations over the course of work to maintain traffic flow. I-270 was expanded to eight overall lanes through the new directional interchange while U.S. 40 was widened to six.3

Major reconstruction of Interstate 64 & U.S. 40 was undertaken during a two-year period between Ballas Road, just east of I-270, to Kingshighway Boulevard in St. Louis. Work shut down a five-mile stretch of I-64/U.S. 40 between Ballas Road (Exit 26) and I-170 (Exit 32A/B) on January 2, 2008 so that crews could completely rebuild the freeway. A second closure followed from I-170 east to Kingshighway Boulevard (Exit 36A) on December 15, 2008, as the western five miles reopened to traffic. The $535-million upgrade redesigned 10.5-miles of freeway to modern standards. Facets of the work included new overpasses, improved interchanges and a major upgrade to the junction with Interstate 170. Work also added a lane in each direction of I-64/U.S. 40 between Spoede Road (Exit 27) and Interstate 170. Dubbed "The New I-64", the project started in 2000 was completed on December 7, 2009.5

Interstate 64 and U.S. 40-61 span the Missouri River across a pair of steel truss bridges named the Daniel Boone Bridge. The westbound span was built in the 1930s as part of the routing of U.S. 40. It was converted into a westbound only bridge with three overall lanes and no shoulder on September 20, 1991 as part of a $33-million project started in 1983. Construction included $26-million for the new eastbound span, which opened on August 10, 1989 carrying two-way traffic with four overall lanes. The 1935 bridge closed on September 28, 1989 for $7-million in renovations before reopening as a westbound only span.4,8,9 Once at the end of its service life, the westbound Daniel Boone was replaced as part of a $110.9-million replacement project that commenced symbolically on January 3, 2013. The new eastbound bridge was expected to open by late 2014,4 but was delayed until June 26, 2015 when a ribbon-cutting ceremony was held.10 Eastbound traffic shifted to the new bridge, leaving westbound to use the 1989 bridge. Demolition of the 1937 bridge was expected by late 2015. More details can be found at the MoDOT project web site.

Interstate 64 Extension

Work to upgrade U.S. 40 west of Interstate 270 to Interstate standards commenced in 1997 to remove at-grade intersections along the route through St. Charles County. The final traffic light, at Callahan Road, was removed as part of a ceremony held to open a new interchange with Prospect Road on October 14, 2009. This was the last of a series of signals including others at Prospect Road, Highway K and Highway N removed in a $170-million upgrade. The Prospect Road exit was included in $23-million in work started in 2007 to upgrade U.S. 40 & 61 between I-70 and Lake St. Louis Boulevard.7

Interstate 64 Missouri Highway Guides

Interstate 64 scenes
Button copy overhead for Interstate 64 & U.S. 40 that was posted at the former on-ramp from Brentwood Boulevard onto the westbound freeway. This ramp was relocated to the south as the loop ramp from I-64 west to Brentwood Boulevard was removed during the New I-64 project. Photos taken 10/16/04.

Old Interstate 64 & U.S. 40

This suite of photos shows the eastbound Interstate 64 & U.S. 40 freeway between Town and Country and Richmond Heights before the "New I-64" project redesigned the roadway.

Eastbound shield assembly posted after the Ballas Road on-ramp. An extra merge lane was constructed and sound barriers added to this location during the rebuild of I-64. Photo taken 10/16/04.
This mileage sign was altered to shorten the distances to all three exits by one quarter mile. Photo taken 10/16/04.
The fourth eastbound lane of Interstate 64-U.S. 40 east & 61 south defaulted into the compact folded-diamond interchange with Spoede Road. Photo taken 10/16/04.
Four through lanes now travel this stretch and a wider interchange utilizing roundabouts replaces the tight ramps pictured here. Photo taken 10/16/04.
Attached to the original Spoede Road overpass was the half-mil guide sign for U.S. 61's departure from I-64 & U.S. 40 east. Photo taken 10/16/04.
Five lanes of now travel the stretch of I-64 & U.S. 40-61 east between Spoede Road and Lindbergh Boulevard. Photo taken 10/16/04.
A tight full-cloverleaf interchange between Lindbergh Boulevard (U.S. 67) and Interstate 64 & U.S. 40 was replaced with a single point urban interchange. Now all traffic departs in unison a short distance ahead of the original Exit 28A. Photo taken 10/16/04.
The Exit 28B loop ramp joined U.S. 67 (Lindberg Boulevard) north immediately opposite the westbound on-ramp. The weaving traffic pattern was eliminated with the SPUI. Photo taken 10/16/04.
Six lanes of Interstate 64 & U.S. 40 curved east across a combination of Warson Road, Clayton Road and Deer Creek. This stretch now accommodates eight overall lanes. Photo taken 10/16/04.
Sound walls now line both sides of Interstate 64 & U.S. 40 along this stretch. Photo taken 10/16/04.
An advisory sign alerted truckers to the substandard overpass carrying McKnight Road over Interstate 64 & U.S. 40 a half mile ahead. Photo taken 10/16/04.
The McKnight Road diamond interchange remains in place, though the ramps were extended in both directions. Photo taken 10/16/04.
There was no direct access to Interstate 170 north from Interstate 64 & U.S. 40 east at forthcoming Exit 31. Note the original overpass for McKnight Road. Photo taken 10/16/04.
Overpasses, such as the one carrying McCutchen Road, dating to the original construction of the U.S. 40 freeway west of St. Louis remained in use until the late 2000s. Photo taken 10/16/04.
Motorists were required to use a congested route along Brentwood Boulevard north from Exit 31 to Galleria Parkway east to make the connection to I-170 north. A new flyover provides direct access now. Photo taken 10/16/04.

Sources:

  1. "DRIVE TIME." St. Louis Post-Dispatch, March 22, 1993.
  2. "THE WAY WEST: HIGHWAY 40 GREW IN FITS AND STARTS OVER 60 YEARS." St. Louis Post-Dispatch, September 19, 1994.
  3. "GO WEST...: WORK AT I-270, 40 NEARLY DONE." St. Louis Post-Dispatch, December 6, 1993.
  4. "Boone Bridge set to get new span - Regional council clears way for federal money for $128 million project on Highway 40." St. Louis Post-Dispatch, July 1, 2011.
  5. The New I-64 - Missouri Department of Transportation - http://www.thenewi64.org/ (MoDOT project web site).
  6. "MoDOT to break ground on Daniel Boone Bridge." St. Louis Post-Dispatch, January 02, 2013.
  7. "It's (traffic) lights out for new stretch of I-64 - Ceremony marks completion of project in St . Charles County ." St. Louis Post-Dispatch, October 15, 2009.
  8. "Bridge Opens On Hwy. 40." St. Louis Post-Dispatch, August 11, 1989.
  9. "Officials Hail Opening Of Boone Bridge." St. Louis Post-Dispatch, September 20, 1991.
  10. "MoDOT readies opening of new eastbound Daniel Boone Bridge span." St. Louis Post-Dispatch, June 25, 2015.


Photo Credits:

2004-10-16 by AARoads

Connect with:
Interstate 44
Interstate 55
Interstate 70
Interstate 170
Interstate 270

Page Updated 06-25-2015.

© AARoads