Interstate 55, MissouriRoads of the Mid-South & West > Highways of the State of Missouri > Interstate 55, Missouri


Interstate 55 is the main north-south artery to the far southeastern foot hills of Missouri. It parellels the Mississippi River throughout Missouri.

While in Missouri, I-55 is multi-plexed several times.

I-55 is multi-plexed with...

...Interstate 70, from the Illinois/Missouri State Line, west for less than a 1/4 mile.
...Interstate 64, from the Illinois/Missouri State Line, west for less than a 1/4 mile.
...U.S. Rt. 40, from the Illinois/Missouri State Line, west for less than a 1/4 mile.

...Missouri State Route 74, at Cape Girardeau.

...U.S. Rt. 61, from Cape Girardeau to near Scott City.

...U.S. Rt. 61, from near Portageville to near Steele.


In Missouri, I-55 intersects the following interstates.

Interstate 70, in Downtown St. Louis.
Interstate 64, in Downtown St. Louis.

SB I-55; WB I-64/70; U.S. Rt. 40 near their split in Downtown St. Louis.

SB I-55; WB I-64/70; U.S. Rt. 40 at WB I-70.

NB I-55 near I-64/70.

Another BGS on NB I-55.

NB I-55 at I-64/70.
Interstate 44, at St. Louis.

The first BGS for I-44 on NB I-55.

NB I-55 near I-44.

NB I-55 at I-44.

SB I-55 less than a mile from I-44.

SB I-55 near I-44.

SB I-55 at i-44.
Interstate 270, near Webster Grove.
Interstate 255, near Webster Grove.

A mileage sign on NB I-55.

A BGS on NB I-55 1 1/2 miles from I-255/270.

A set of overhead BGS's on NB I-55.

Another set of overhead BGS's on NB I-55.

NB I-55 at I-255/270.

Interstate 57, near Sikeston.

BGS on SB I-55.

SB I-55 at I-57.

A BGS on SB I-55 at the ramp to NB I-57.

Interstate 155, near Hayti.

Overhead sign on SB I-55.

BGS on SB I-55.

SB I-55 near the interchange with I-155.

SB I-55 at I-55.

Branches of I-55 in Missouri.



SB I-55; WB I-64/70; U.S. Rt. 40 at the St. Louis City Limits on the PSB.

The Missouri Welcome Sign on the PSB.

SB I-55; WB I-64/70; U.S. Rt. 40 at the westend of the PSB.

Looking east along the Poplar Street Bridge from the Missouri side.

Looking east at the Poplar Street Bridge complex from a overlook at Busch Stadium. (August, 2006)

A guide marker in Downtown St. Louis.

A speed warning sign on NB I-55.

NB I-55 near Lomabard in St. Louis.

NB I-55 near Russell in St. Louis.

NB I-55 near Arsenal.

NB I-55 near Meramec.

NB I-55 near California in St. Louis.

NB I-55 near St. Georige.

NB I-55 near Green Park.

NB I-55 near Barnhart.

SB I-55 near Herculaneum.

A BGS for NB I-55 on MO Sec St Rt A.

A BGS on SB I-55 on MO Sec St Rt A.

SB I-55 near Festus.

A BGS on SB BUSN Loop I-55/U.S. Rt. 61-67.

NB I-55 at Crystal City.

NB I-55 in Southern Jefferson County.

NB I-55 in Northern Ste. Genevieve County.

NB I-55 near Bloomsdale.

SB I-55 at MO 32. Photo from the MO St Rt 32 overpass.

A mile post on NB I-55.

SB I-55 near Perryville.

BGS on EB MO Sec St Rt K at Cape Girardeau.

SB I-55 near Sikeston.

A Missouri oddity. Normally Missouri places the state name on interstate shield. Signs on EB U.S. Rt. 62 in Miner.

A guide marker on EB U.S. Rt. 60.

A BGS on EB U.S. Rt. 60.

Milage sign on SB I-55, near Miner.

BGS on SB BUSN Loop I-55/U.S. Rt. 61/WB U.S. Rt. 62 north of New Madrd.

SB I-55 in Northern Pemiscot County.

31 August 2008
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