Historic Bridges in Maine

630 bridges built before 1951 in Maine still in service today.

Bridges Built Before 1951

The United States has 630 bridges in Maine built before 1951 that remain in active service. These structures are 75+ years old — many predate modern engineering codes and were not designed for today's traffic volumes and vehicle weights. The average design life of a bridge is 50 years, making these aging structures a significant infrastructure concern.

Clear
Bridge State Condition Year Built Age (Years) ADT
COLD BROOK Maine Fair 1929 97 430
DECKER BRK Maine Fair 1929 97 2,270
DYER BROOK Maine Fair 1929 97 1,308
MILL STREAM Maine Poor 1929 97 200
FERGUSON STREAM Maine Poor 1929 97 1,180
HALF MOON STREAM Maine Fair 1929 97 3,404
MARSH STREAM Maine Fair 1929 97 704
SEVEN MILE STREAM Maine Fair 1929 97 3,812
NEQUASSET POND Maine Fair 1929 97 323
BAKER (PETERSON) BROOK Maine Fair 1929 97 784
TEMPLE STREAM Maine Fair 1929 97 19,162
CAPTAIN AMBROSE BEAR STR Maine Fair 1929 97 2,800
KENDUSKEAG STREAM Maine Poor 1929 97 11,561
WHITCOMB BROOK Maine Fair 1929 97 2,270
ANDROSCOGGIN R. W CHANEL Maine Poor 1929 97 3,509
N BR PRESQUE ISLE STREAM Maine Fair 1929 97 3,581
TANNERY (BIRD) BROOK Maine Poor 1929 97 11,655
WHITNEY BROOK Maine Poor 1929 97 153
STRATTON BROOK Maine Fair 1929 97 2,521
OSSIPEE RIVER Maine Fair 1929 97 2,870
MCRR Maine Poor 1930 96 1,828
STATE OF MAINE RR Maine Fair 1930 96 110
CANAL Maine Fair 1930 96 460
SHEPARDS RIVER Maine Poor 1930 96 240
SALMON FALLS RIVER Maine Fair 1930 96 530
CARRYING PLACE Maine Poor 1930 96 9,100
COUSINS RIVER Maine Poor 1930 96 9,550
MIDDLE RIVER Maine Poor 1930 96 9,731
ROYAL RIVER Maine Poor 1930 96 4,910
OTTER BROOK Maine Poor 1930 96 260
GULLIVER BROOK Maine Poor 1930 96 300
MATTAGODUS STREAM Maine Fair 1930 96 226
SEBASTICOOK R (MAIN STR) Maine Fair 1930 96 400
CARRABASSETT STREAM Maine Poor 1930 96 1,331
SAINT GEORGE RIVER Maine Fair 1930 96 4,801
MARTIN STREAM Maine Poor 1930 96 1,193
TEMPLE STR Maine Fair 1930 96 1,144
PASSADUMKEAG RIVER Maine Fair 1930 96 1,722
PATTIE BROOK Maine Poor 1930 96 2,210
LITTLEFIELD RIVER Maine Fair 1930 96 12,802
HIGGINS STREAM Maine Poor 1930 96 550
SEBASTICOOK RIVER Maine Fair 1930 96 3,860
THATCHER BROOK Maine Fair 1930 96 2,440
FISH STREAM Maine Fair 1930 96 41
CROSS CANAL #1 Maine Good 1930 96 10,496
SQUA PAN STREAM Maine Fair 1930 96 1,680
GREAT MEADOW STREAM Maine Fair 1930 96 2,210
GARDINER STREAM Maine Fair 1930 96 671
OSSIPEE RIVER Maine Fair 1930 96 500
PISCATAQUIS RIVER Maine Poor 1930 96 2,296

About Historic Bridge Data

Bridges built before 1951 are classified as historic in this database. Many were designed to 1940s standards with lower load limits and narrower lanes. While FHWA requires regular inspections of all bridges regardless of age, older structures often require more frequent monitoring and rehabilitation investment.