Low clearance bridges in St. Louis County, Missouri

36 spots where an interstate or US highway in St. Louis County has less than 16 ft of clearance, lowest first. The lowest is 14 ft 9 in on I-44, S 14 T 44 N R 5 E. 6 are under 15 ft.

Posted signs and your permit come first. These are the clearances Missouri reported to the federal National Bridge Inventory in 2025. Repaving, snow and new work can lower them.

Map of St. Louis County, Missouri with a pin on each low spot.
Hover a pin to read it, tap it to find it in the list. © Mapbox © OpenStreetMap
ClearanceWhereHighway
14 ft 9 inUnder I-270 E · S 14 T 44 N R 5 E · MapI-44
14 ft 9 inUnder RT D E · S 25 T 46 N R 5 E · MapUS-67
14 ft 11 inUnder Sappington Road S · S 6 T 44 N R 6 E · MapI-44
14 ft 11 inUnder So Rock Hill Road S · S 5 T 44 N R 6 E · MapI-44
14 ft 11 inUnder Big Bend Boulevard E · S 5 T 44 N R 6 E · MapI-44
14 ft 11 inUnder Old Bonhomme Road E · S 5 T 45 N R 6 E · MapI-170
15 ft 1 inUnder Murdoch Avenue E · S 34 T 45 N R 6 E · MapI-44
15 ft 1 inUnder RP IS64W to Long R · S 126 T 45 N R 4 E · MapI-64
15 ft 1 inUnder North Hanley Road S · S 3082 T 46 N R 6 E · MapI-70
15 ft 3 inUnder Big Bend Boulevard W · S 5 T 44 N R 6 E · MapI-44
15 ft 3 inUnder I-44 E · S 12 T 44 N R 5 E · MapUS-50
15 ft 5 inUnder MO 180 E · S 12 T 46 N R 5 E · MapI-70
15 ft 5 inUnder MO 180 W · S 12 T 46 N R 5 E · MapI-70
15 ft 5 inUnder RP IS64E to IS170W · S 21 T 45 N R 6 E · MapI-170
15 ft 6 inUnder Shrewsbury Avenue S · S 34 T 45 N R 6 E · MapI-44
15 ft 6 inUnder Fee Fee Road S · S 406 T 46 N R 5 E · MapI-70
15 ft 8 inUnder Holmes Avenue S · S 7 T 44 N R 6 E · MapI-44
15 ft 8 inUnder Lewis Road S · S 33 T 44 N R 4 E · MapI-44
15 ft 8 inUnder I-255 N · S 34 T 43 N R 6 E · MapI-55
15 ft 8 inUnder Spoede Road S · S 13 T 45 N R 5 E · MapI-64
15 ft 8 inUnder Hanley Road S · S 22 T 45 N R 20 W · MapI-64
15 ft 8 inUnder RP Hanley DR to Is · S 21 T 45 N R 6 E · MapI-170
15 ft 8 inUnder US 50 E · S 35 T 44 N R 6 E · MapI-255
15 ft 8 inUnder RP IS64E to IS270E · S 15 T 45 N R 5 E · MapI-270
15 ft 8 inUnder MO 370 E · S 2038 T 47 N R 5 E · MapI-270
15 ft 8 inUnder I-44 W · S 12 T 44 N R 5 E · MapUS-50
15 ft 9 inUnder Bellevue Avenue S · S 23 T 45 N R 6 E · MapI-64
15 ft 9 inUnder US 67 S · S 12 T 46 N R 5 E · MapI-70
15 ft 9 inUnder US 67 N · S 12 T 46 N R 5 E · MapI-70
15 ft 10 inUnder PVT Maritz Ent S · S 1983 T 44 N R 5 E · MapI-44
15 ft 10 inUnder S McKnight Road S · S 20 T 45 N R 6 E · MapI-64
15 ft 10 inUnder MO 115 N · S 9 T 46 N R 6 E · MapI-70
15 ft 10 inUnder MO 100 E · S 34 T 45 N R 5 E · MapI-270
15 ft 10 inUnder MO 30 E · S 3117 T 44 N R 6 E · MapI-270
15 ft 10 inUnder MO 340 E · S 1 T 45 N R 5 E · MapUS-67
15 ft 10 inUnder I-64 E · S 2675 T 45 N R 5 E · MapUS-67