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

Interstate 55

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

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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.

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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.

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Branches of I-55 in Missouri.

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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 north at the Poplar Street Bridge from the Mac Arthur Bridge.

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

A guide marker in Downtown St. Louis.

Looking north at I-55 from the Union Pacific railroad leading to the Mac Arthur Bridge.

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.

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12 November 2009