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 |
|---|---|---|---|---|---|
| HAWK CREEK FLOODWAY | Minnesota | Poor | 1936 | 90 | 366 |
| CHETAMBA CREEK | Minnesota | Fair | 1936 | 90 | 205 |
| STREAM | Minnesota | Fair | 1936 | 90 | 1,454 |
| KETTLE CREEK | Minnesota | Fair | 1936 | 90 | 891 |
| STREAM | Minnesota | Fair | 1936 | 90 | 1,606 |
| MOUND CREEK | Minnesota | Fair | 1936 | 90 | 1,606 |
| LITTLE COTTONWOOD RIVER | Minnesota | Fair | 1936 | 90 | 1,606 |
| STREAM | Minnesota | Fair | 1936 | 90 | 1,895 |
| STREAM | Minnesota | Fair | 1936 | 90 | 890 |
| DITCH | Minnesota | Good | 1936 | 90 | 1,439 |
| DITCH | Minnesota | Fair | 1936 | 90 | 1,439 |
| Bassett Creek | Minnesota | Fair | 1936 | 90 | 86,421 |
| STREAM | Minnesota | Fair | 1936 | 90 | 3,300 |
| N BR SUNRISE RIVER | Minnesota | Fair | 1936 | 90 | 3,412 |
| NINE MILE CREEK | Minnesota | Fair | 1936 | 90 | 18,153 |
| MINNEHAHA CREEK | Minnesota | Fair | 1936 | 90 | 9,132 |
| SPRING VALLEY CREEK | Minnesota | Fair | 1936 | 90 | 6,108 |
| STREAM | Minnesota | Fair | 1936 | 90 | 9,700 |
| REDWOOD RIVER | Minnesota | Fair | 1936 | 90 | 462 |
| LITTLE PARTRIDGE CREEK | Minnesota | Fair | 1936 | 90 | 939 |
| STREAM | Minnesota | Good | 1936 | 90 | 880 |
| LITTLE WILLOW RIVER | Minnesota | Fair | 1936 | 90 | 757 |
| DUTCH SLOUGH | Minnesota | Good | 1936 | 90 | 4,704 |
| LITTLE HILL RIVER | Minnesota | Good | 1936 | 90 | 1,118 |
| DITCH | Minnesota | Fair | 1936 | 90 | 3,450 |
| STATE DITCH # 90 LAT #5 | Minnesota | Fair | 1936 | 90 | 1,100 |
| COAL MINE CREEK | Minnesota | Fair | 1936 | 90 | 2,500 |
| OTTER CREEK | Minnesota | Fair | 1936 | 90 | 5,701 |
| CAMP CREEK | Minnesota | Fair | 1936 | 90 | 75 |
| STONY CREEK | Minnesota | Fair | 1936 | 90 | 1,708 |
| JUD DITCH # 12 | Minnesota | Poor | 1936 | 90 | 5 |
| MSAS 258(EXCHANGE) | Minnesota | Poor | 1936 | 90 | 6,350 |
| MINNEHAHA CREEK | Minnesota | Fair | 1936 | 90 | 6,706 |
| MAYHEW CREEK | Minnesota | Good | 1936 | 90 | 2,050 |
| MAYHEW CREEK | Minnesota | Fair | 1936 | 90 | 95 |
| BEAR CREEK | Minnesota | Poor | 1936 | 90 | 15 |
| SAND CREEK | Minnesota | Fair | 1936 | 90 | 30 |
| SCHWERIN CREEK | Minnesota | Poor | 1936 | 90 | 50 |
| STREAM | Minnesota | Fair | 1936 | 90 | 54 |
| MOAT AROUND PARK | Minnesota | Fair | 1936 | 90 | 10 |
| MINNEHAHA CREEK | Minnesota | Fair | 1936 | 90 | 5,000 |
| CROW WING RIVER (DAM) | Minnesota | Fair | 1937 | 89 | 690 |
| STREAM | Minnesota | Good | 1937 | 89 | 80 |
| THREE MILE CREEK | Minnesota | Fair | 1937 | 89 | 1,450 |
| SNAKE RIVER | Minnesota | Fair | 1937 | 89 | 2,318 |
| RED RIVER; 3RD ST | Minnesota | Fair | 1937 | 89 | 4,635 |
| RESERVATION RIVER | Minnesota | Good | 1937 | 89 | 1,198 |
| STRAIGHT R RR STREET | Minnesota | Fair | 1937 | 89 | 11,114 |
| N FK CROW RIVER | Minnesota | Poor | 1937 | 89 | 3,400 |
| SPLIT ROCK CREEK | Minnesota | Good | 1937 | 89 | 3,278 |
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.