Interstate 129, Iowa
Roads of the Mid-South & West > Highways of the State of Iowa > Interstate 29, Iowa > Interstate 129, Iowa
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Interstate 129 is the shortest interstate highway in the State of Iowa. This is a east-west bridge in Sioux City. It connects Sioux City, Iowa to South Sioux City, Nebraska.
The FHA route log states that I-129 is 0.27 miles long in the State of Iowa. The BGS on I-29 do not place a shield for I-129. This highway is labeled in words on the signs (i.e. I-129)
While in Iowa, I-129 is multi-plexed.
I-129 is multi-plexed with...
...U.S. Rt. 20, at Sioux City.
...U.S. Rt. 75, at Sioux City.
Interstate 129 crosses the following interstate in Iowa.
Interstate 29, at Sioux City.
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The first BGS on EB I-129 for I-29. This is actually in Nebraska.
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This BGS is also in Nebraska on EB I-129.
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EB I-129 at I-29.
Info on the parent route for I-29.
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Westbound I-129; I-29 to the Iowa/Nebraska State Line (Missouri River)
![](/rnb/bill19/wb129morvr.JPG)
WB I-129 crossing the Missouri River. The overhead signs in the picture is the Iowa/Nebraska State Line.
Eastbound I-129; Iowa/Nebraska State Line (Missouri River) to I-29.
![](/rnb/bill19/eb129neialine.JPG)
EB I-129 at the Iowa/Nebraska State Line.
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The end marker on EB I-129.