Historic Bridges in North Dakota
685 bridges built before 1951 in North Dakota still in service today.
Bridges Built Before 1951
The United States has 685 bridges in North Dakota 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 |
|---|---|---|---|---|---|
| CREEK | North Dakota | Fair | 1933 | 93 | 400 |
| JAMES RIVER | North Dakota | Fair | 1933 | 93 | 10,370 |
| ANTLER CREEK | North Dakota | Poor | 1934 | 92 | 25 |
| CREEK BED | North Dakota | Poor | 1934 | 92 | 25 |
| EGG CREEK | North Dakota | Poor | 1934 | 92 | 25 |
| LITTLE DEEP CREEK | North Dakota | Fair | 1934 | 92 | 25 |
| LITTLE DEEP CREEK | North Dakota | Poor | 1934 | 92 | 5 |
| SLOUGH | North Dakota | Fair | 1934 | 92 | 5 |
| ANTELOPE CREEK | North Dakota | Fair | 1934 | 92 | 20 |
| ANTELOPE CREEK | North Dakota | Poor | 1934 | 92 | 20 |
| ANTELOPE CREEK | North Dakota | Poor | 1934 | 92 | 5 |
| WILD RICE RIVER | North Dakota | Fair | 1934 | 92 | 20 |
| WILD RICE RIVER | North Dakota | Fair | 1934 | 92 | 10 |
| WILD RICE RIVER | North Dakota | Fair | 1934 | 92 | 20 |
| GOOSE RIVER | North Dakota | Poor | 1934 | 92 | 200 |
| CREEK | North Dakota | Fair | 1934 | 92 | 510 |
| CREEK | North Dakota | Fair | 1934 | 92 | 490 |
| COUNTY DRAIN | North Dakota | Fair | 1934 | 92 | 1,510 |
| DRAINAGE DITCH | North Dakota | Fair | 1935 | 91 | 25 |
| OAK CREEK | North Dakota | Fair | 1935 | 91 | 25 |
| WILLOW CREEK | North Dakota | Fair | 1935 | 91 | 25 |
| CREEK BED | North Dakota | Poor | 1935 | 91 | 35 |
| Spring Creek | North Dakota | Fair | 1935 | 91 | 50 |
| Spring Creek | North Dakota | Fair | 1935 | 91 | 50 |
| CREEK | North Dakota | Fair | 1935 | 91 | 50 |
| CREEK | North Dakota | Poor | 1935 | 91 | 40 |
| RUSH RIVER | North Dakota | Good | 1935 | 91 | 70 |
| MAPLE RIVER | North Dakota | Poor | 1935 | 91 | 24 |
| MAPLE RIVER | North Dakota | Fair | 1935 | 91 | 24 |
| CUT BANK CREEK | North Dakota | Poor | 1935 | 91 | 5 |
| LITTLE DEEP CREEK | North Dakota | Poor | 1935 | 91 | 25 |
| EGG CREEK | North Dakota | Fair | 1935 | 91 | 25 |
| CREEK | North Dakota | Fair | 1935 | 91 | 20 |
| DITCH | North Dakota | Poor | 1935 | 91 | 5 |
| COULEE | North Dakota | Poor | 1935 | 91 | 20 |
| COULEE | North Dakota | Fair | 1935 | 91 | 70 |
| SOURIS RIVER | North Dakota | Poor | 1935 | 91 | 20 |
| MUD CREEK | North Dakota | Fair | 1935 | 91 | 20 |
| WILD RICE CREEK | North Dakota | Poor | 1935 | 91 | 28 |
| SHORTFOOT CREEK | North Dakota | Fair | 1935 | 91 | 20 |
| PLUM CREEK | North Dakota | Fair | 1935 | 91 | 10 |
| CREEK | North Dakota | Good | 1935 | 91 | 20 |
| ELM RIVER | North Dakota | Fair | 1935 | 91 | 207 |
| ELM RIVER | North Dakota | Fair | 1935 | 91 | 20 |
| FOREST RIVER | North Dakota | Poor | 1935 | 91 | 5 |
| CREEK | North Dakota | Fair | 1935 | 91 | 2 |
| CREEK | North Dakota | Fair | 1935 | 91 | 26 |
| PARK RIVER | North Dakota | Poor | 1935 | 91 | 10 |
| CREEK | North Dakota | Poor | 1935 | 91 | 400 |
| BLACKTAIL CREEK | North Dakota | Poor | 1935 | 91 | 25 |
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.