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
SACO RIVER Maine Poor 1936 90 1,850
WESSERUNSETT STREAM Maine Poor 1936 90 170
ST.GEORGE RIVER Maine Fair 1936 90 520
WORTHLEY BROOK Maine Poor 1936 90 423
MARTIN STREAM Maine Fair 1936 90 4,004
MARTIN STREAM Maine Fair 1936 90 6,892
ABAGADASSET RIVER Maine Poor 1936 90 819
COLD RIVER Maine Fair 1936 90 186
CARRABASSET STR Maine Poor 1936 90 52
MILLINOCKET STREAM Maine Poor 1937 89 1,548
B & M RR Maine Fair 1937 89 14,512
MILL STREAM Maine Fair 1937 89 697
LOWER SHIN POND INLET Maine Fair 1937 89 502
WILSON STREAM Maine Fair 1937 89 31
BLACK STREAM Maine Fair 1937 89 625
WILSON STREAM Maine Poor 1937 89 6,000
PAINE BROOK Maine Fair 1937 89 1,297
VALLEY STREAM Maine Poor 1937 89 788
FRENCH STREAM Maine Fair 1937 89 779
MILL STREAM Maine Fair 1937 89 1,747
STUBBS BROOK Maine Fair 1937 89 671
COLLEGE SWAMP Maine Poor 1937 89 712
HEALD STREAM Maine Fair 1937 89 190
BLACK STREAM Maine Poor 1937 89 738
FORE RIVER Maine Fair 1937 89 24,598
MEDOMAK RIVER Maine Fair 1937 89 530
CROOKED RIVER Maine Fair 1937 89 1,367
MCRR Maine Fair 1937 89 6,209
CHAPMAN BROOK Maine Poor 1937 89 93
TANNERY BROOK Maine Poor 1937 89 688
SWIFT CAMBRIDGE RIVER Maine Fair 1937 89 820
PASSADUMKEAG STR Maine Good 1937 89 28
ANDREWS BROOK Maine Fair 1938 88 722
PISCATAQUA RIVER Maine Poor 1938 88 10,523
WILSON STREAM Maine Fair 1938 88 649
MARTIN STREAM Maine Fair 1938 88 4,835
COMBOLASSE STREAM Maine Fair 1938 88 527
OUTLET OF WOODBURY POND Maine Poor 1938 88 1,640
QUAKER BROOK Maine Poor 1938 88 4,700
PENNESSEWASSEE OUTLET Maine Good 1938 88 17,709
LITTLE ANDRO RIVER Maine Fair 1938 88 8,333
WEST BR. CONCORD RIVER Maine Fair 1938 88 155
BIG MUSQUASH STREAM Maine Fair 1938 88 973
PASSADUMKEAG RIVER Maine Fair 1938 88 233
HIGH WATER CHAN PEN RIV Maine Poor 1938 88 3,923
STUBBS BROOK Maine Fair 1938 88 1,263
BICKNELL BROOK Maine Fair 1938 88 753
ANDREWS BROOK Maine Fair 1938 88 1,099
LITTLE COLD RIVER Maine Fair 1938 88 670
FERGUSON STREAM Maine Poor 1938 88 335

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.