Historic Bridges in Minnesota
1,035 bridges built before 1951 in Minnesota still in service today.
Bridges Built Before 1951
The United States has 1,035 bridges in Minnesota 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.
| Bridge | State | Condition | Year Built | Age (Years) | ADT |
|---|---|---|---|---|---|
| GARVIN BROOK | Minnesota | Fair | 1920 | 106 | 70 |
| STREAM | Minnesota | Fair | 1920 | 106 | 4,120 |
| RICE CREEK | Minnesota | Poor | 1920 | 106 | 4,962 |
| SNOWBALL CREEK | Minnesota | Fair | 1920 | 106 | 20 |
| MID FK ZUMBRO RIVER | Minnesota | Fair | 1920 | 106 | 47 |
| CO DITCH # 2 | Minnesota | Poor | 1920 | 106 | 770 |
| OTTER TAIL RIVER | Minnesota | Fair | 1920 | 106 | 1,700 |
| JUD DITCH # 8 | Minnesota | Fair | 1920 | 106 | 80 |
| MARSH RIVER | Minnesota | Poor | 1920 | 106 | 36 |
| SPRING BRANCH CREEK | Minnesota | Fair | 1920 | 106 | 315 |
| WATONWAN RIVER | Minnesota | Good | 1920 | 106 | 85 |
| STREAM | Minnesota | Fair | 1920 | 106 | 4,120 |
| STREAM | Minnesota | Poor | 1920 | 106 | 620 |
| STREAM | Minnesota | Poor | 1920 | 106 | 11 |
| RICE CREEK | Minnesota | Good | 1920 | 106 | 65 |
| N FK ZUMBRO RIVER | Minnesota | Poor | 1920 | 106 | 20 |
| CO DITCH #22 | Minnesota | Fair | 1920 | 106 | 1 |
| MARSH CREEK | Minnesota | Poor | 1920 | 106 | 4 |
| RABBIT RIVER | Minnesota | Poor | 1920 | 106 | 20 |
| HARDWOOD CREEK | Minnesota | Poor | 1920 | 106 | 61 |
| WATONWAN RIVER | Minnesota | Good | 1921 | 105 | 35 |
| CANNON RIVER | Minnesota | Poor | 1921 | 105 | 20 |
| FIVE MILE CREEK | Minnesota | Fair | 1921 | 105 | 35 |
| TALMADGE RIVER | Minnesota | Fair | 1921 | 105 | 1,350 |
| SPRING CREEK | Minnesota | Good | 1921 | 105 | 25 |
| STREAM | Minnesota | Fair | 1921 | 105 | 856 |
| BEAVER CREEK | Minnesota | Fair | 1921 | 105 | 285 |
| MINNEHAHA CREEK | Minnesota | Good | 1921 | 105 | 4,080 |
| WOODBURY CREEK | Minnesota | Fair | 1921 | 105 | 21 |
| W SWAN RIVER | Minnesota | Poor | 1921 | 105 | 24 |
| W SWAN RIVER | Minnesota | Fair | 1921 | 105 | 52 |
| CREEK | Minnesota | Poor | 1921 | 105 | 1 |
| STEWART RIVER | Minnesota | Good | 1922 | 104 | 6,474 |
| Kingsbury Creek | Minnesota | Fair | 1922 | 104 | 28,000 |
| BLACK RIVER | Minnesota | Poor | 1922 | 104 | 97 |
| STREAM | Minnesota | Poor | 1922 | 104 | 32 |
| STREAM | Minnesota | Poor | 1922 | 104 | 32 |
| WING RIVER | Minnesota | Fair | 1922 | 104 | 315 |
| STONY CREEK | Minnesota | Fair | 1922 | 104 | 40 |
| PELICAN RIVER | Minnesota | Fair | 1922 | 104 | 7,856 |
| DITCH | Minnesota | Fair | 1922 | 104 | 11,618 |
| MINNEHAHA CREEK | Minnesota | Fair | 1922 | 104 | 790 |
| CSAH 34(UNIVERSITY AVE) | Minnesota | Fair | 1922 | 104 | 2,600 |
| BASSETT CREEK | Minnesota | Fair | 1922 | 104 | 4,333 |
| STREAM | Minnesota | Fair | 1922 | 104 | 1,200 |
| PERCH CREEK | Minnesota | Fair | 1923 | 103 | 431 |
| CREEK | Minnesota | Fair | 1923 | 103 | 431 |
| W RIVER RD; MISS RIV | Minnesota | Fair | 1923 | 103 | 6,100 |
| BAPTISM RIVER | Minnesota | Poor | 1923 | 103 | 100 |
| STRAIGHT RIVER | Minnesota | Fair | 1923 | 103 | 10,000 |
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.