Wayfarrow

Thompson Mill Covered Bridge

Covered bridge · Shelby County, Illinois

Southern portal and western side of the Thompson Mill Covered Bridge, which carries the old roadbed of County Road 1700E over the Kaskaskia River northeast of C
Southern portal and western side of the Thompson Mill Covered Bridge, which carries the old roadbed of County Road 1700E over the Kaskaskia River northeast of C · Nyttend / Wikimedia Commons · Public domain

Thompson Mill Covered Bridge is a covered bridge in Shelby County, Illinois, described in its record as place in Illinois on the National Register of Historic Places. Illinois has 12 covered bridges on record at Wayfarrow.

It was built in 1868, in the Civil War era, making it the 5th oldest of the 9 in Illinois with a recorded construction date; it crosses Kaskaskia River.

Status check, 2026-11: Narrowest covered bridge in Illinois (10 ft 7 in) and closed to cars; length is reported as 160 ft 4 in, 110 ft or a 105 ft truss, and sources also disagree on whether it is still open to people on foot. Thompson Mill Covered Bridge is listed on the National Register of Historic Places. It stands at 39.2583° N, 88.8181° W.

Key facts

Current structure built1868
CrossesKaskaskia River
Heritage designationNational Register of Historic Places listed place
National RegisterListed
Coordinates39.25830, -88.81810

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Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.