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Historic Bridges in Michigan

1,528 bridges built before 1951 in Michigan still in service today.

Bridges Built Before 1951

The United States has 1,528 bridges in Michigan 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
BLACK RIVER Michigan Fair 1949 77 23,373
PIGEON RIVER Michigan Fair 1949 77 11,630
CSX RR & UNNAMED CREEK Michigan Fair 1949 77 21,772
RUSH CREEK Michigan Fair 1949 77 12,246
CEDAR CREEK Michigan Fair 1949 77 1,767
AU SABLE RIVER Michigan Fair 1949 77 1,543
INDIAN CREEK Michigan Fair 1949 77 1,173
I-94 Michigan Fair 1949 77 14,956
I-94 Michigan Fair 1949 77 4,000
I-94 Michigan Good 1949 77 13,370
I-94 Michigan Fair 1949 77 5,948
M-10 Michigan Fair 1949 77 14,000
MIDDLE ROUGE RIVER Michigan Fair 1949 77 8,882
MANISTEE RIVER Michigan Fair 1949 77 4,891
STURGEON RIVER Michigan Fair 1949 77 50
KALAMAZOO RIVER Michigan Fair 1950 76 4,200
SILVER RIVER Michigan Poor 1950 76 853
RAILROAD DRAIN Michigan Fair 1950 76 15,061
OX CREEK Michigan Fair 1950 76 8,317
BRANDYWINE CREEK Michigan Poor 1950 76 147
SAUK(COLDWATER) RIVER Michigan Fair 1950 76 800
DOWAGIAC CREEK Michigan Fair 1950 76 7,355
BLACK CREEK Michigan Fair 1950 76 40
NORTH SHADE DRAIN Michigan Fair 1950 76 1,000
BEAVER CREEK Michigan Fair 1950 76 1,025
SMITH BRANCH DRAIN Michigan Fair 1950 76 951
SILVER CREEK Michigan Fair 1950 76 446
MID MICH RR & FLAT RIVER Michigan Fair 1950 76 9,043
JOHNSON CREEK Michigan Poor 1950 76 4,353
TAWAS RIVER Michigan Fair 1950 76 8,047
SMITH CREEK Michigan Poor 1950 76 220
RANGER CREEK Michigan Poor 1950 76 1,698
BEAN CREEK Michigan Poor 1950 76 318
NORTH BR RAISIN RIVER Michigan Fair 1950 76 5,403
STONEY CREEK Michigan Good 1950 76 192
RED CEDAR RIVER Michigan Fair 1950 76 410
HIGHBANK CREEK Michigan Poor 1950 76 1,690
CLINTON RIVER SPILLWAY Michigan Fair 1950 76 14,800
MIDDLE BRANCH CLINTON R Michigan Fair 1950 76 14,000
MIDDLE BRANCH CLINTON R Michigan Fair 1950 76 162
REANY CREEK Michigan Good 1950 76 30
WALTON CREEK Michigan Fair 1950 76 60
US-23 Michigan Fair 1950 76 881
S BRANCH MACON DRAIN Michigan Fair 1950 76 100
NORTH MACON CREEK Michigan Fair 1950 76 1,770
MACON DRAIN Michigan Fair 1950 76 926
BEAR SWAMP CREEK Michigan Fair 1950 76 20
BEAR SWAMP CREEK Michigan Fair 1950 76 214
CROCKERY CREEK Michigan Fair 1950 76 1,460
ROUGE RIVER Michigan Fair 1950 76 28,070

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.

All Bridges Poor Condition Scour Critical Bridge Stats