Wayfarrow

Bog Bridge

Covered bridge · Merrimack County, New Hampshire

Bog Bridge in Andover, New Hampshire. This is an image of a place or building that is listed on the National Register of Historic Places in the United States of
Bog Bridge in Andover, New Hampshire. This is an image of a place or building that is listed on the National Register of Historic Places in the United States of · User:Magicpiano / Wikimedia Commons · CC BY-SA 4.0

Bog Bridge is a covered bridge in Merrimack County, New Hampshire. New Hampshire has 51 covered bridges on record at Wayfarrow, 9 of them in Merrimack County.

It was built in 1887, in the late 19th century, making it the 22nd oldest of the 33 in New Hampshire with a recorded construction date; it is about 53 feet long (16th longest of 16 measured in New Hampshire).

Status check, 2026-11: Also called the Cilleyville-Bog Bridge in Andover, this Town lattice bridge has been foot-traffic only since NH 11 bypassed it. It was closed in 1997 and restored and reopened in 2003. The 53 ft is the floor length; measured gable to gable it is about 56 ft. Bog Bridge is listed on the National Register of Historic Places. It stands at 43.4303° N, 71.8697° W.

Key facts

Current structure built1887
Length53 ft
Heritage designationNational Register of Historic Places listed place
National RegisterListed
Coordinates43.43030, -71.86970

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Nearby places

Questions

Where is Bog Bridge?

Bog Bridge is in Merrimack County, New Hampshire, at 43.4303, -71.8697.

How many covered bridges are in Merrimack County?

Merrimack County, New Hampshire has 9 covered bridges on record at Wayfarrow.

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.