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Zook's Mill Covered Bridge

Lancaster County, Pennsylvania · over the Cocalico Creek · built 1849

Item	Of record	Source
Crosses	Cocalico Creek	National Bridge Inventory, 2025 file
Road carried	Log Cabin Rd	National Bridge Inventory, 2025 file
Carries	Vehicle bridge (public road)	As recorded — see access notes below
Year built	1849	National Bridge Inventory, 2025 file
Length	75 ft	National Bridge Inventory structure length, out-to-out, 2025 file
Longest span	74 ft	National Bridge Inventory, 2025 file
Vertical clearance	10 ft 6 in	National Bridge Inventory minimum vertical clearance over the roadway, as recorded (converted from metres)
Coordinates	40.13061, -76.23136 Google Maps · OpenStreetMap	National Park Service, National Register GIS
Historic listing	National Register of Historic Places, listed 1980-12-11 (reference #80003508)	National Park Service
How it qualifies	Listed on the National Register of Historic Places as a covered bridge	See About & method

Access & restrictions — as recorded

Posted for load

Posting appraisal	Operating rating more than 30% below the maximum legal load
Structural operating rating (not the posted limit)	3.6 metric tons (about 4 US tons)
Vertical clearance	10 ft 6 in

Source: FHWA National Bridge Inventory, 2025 annual file. Status checked November 12, 2026. The posted limit itself is set by the owning agency and shown on signs at the bridge; it is not a field in the federal record, so it is not printed here. Postings and closures change — obey the signs at the bridge.

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