Route information | ||||
---|---|---|---|---|
Maintained by IDOT | ||||
Length | 47.59 mi [1] (76.59 km) | |||
Existed | 1924 [2]–present | |||
Major junctions | ||||
West end | IL 13 / IL 158 in Belleville | |||
I-64 in Okawville | ||||
East end | US 51 in Irvington | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | St. Clair, Clinton, Washington | |||
Highway system | ||||
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Illinois Route 177 is an east–west state route in southern Illinois. It runs from Illinois Route 13 in Belleville to U.S. Route 51 in Irvington. This is a distance of 47.59 miles (76.59 km). [1]
Illinois 177 overlaps Illinois Route 160 for about 9 miles (14 km) [3] from south of New Baden to Okawville.
SBI Route 177 originally ran from New Minden to Okawville. It was extended east to Irvington in 1937, replacing Route 153. [4] In 1967, it was extended west to Belleville on an old routing of Illinois Route 15. [2]
County | Location | mi [5] | km | Destinations | Notes |
---|---|---|---|---|---|
St. Clair | Belleville | 0.0 | 0.0 | IL 13 / IL 158 west – East St. Louis, Columbia, Pinckneyville | West end of IL 158 concurrency |
| 6.3 | 10.1 | IL 158 east – Scott Air Force Base | East end of IL 158 concurrency | |
Mascoutah | 10.2 | 16.4 | IL 4 (Jefferson Street) | ||
Clinton | | 16.2 | 26.1 | IL 160 north – Highland | West end of IL 160 concurrency |
Washington | Okawville | 25.1 | 40.4 | IL 160 south (South Front Street) – Addieville | East end of IL 160 concurrency |
26.6 | 42.8 | I-64 – East St. Louis, Mt. Vernon | I-64 exit 41 | ||
New Minden | 35.3 | 56.8 | IL 127 – Carlyle, Nashville | ||
| 47.59 | 76.59 | US 51 | interchange | |
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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