Historic Bridges in New Jersey
1,814 bridges built before 1951 in New Jersey still in service today.
Bridges Built Before 1951
The United States has 1,814 bridges in New Jersey 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 |
|---|---|---|---|---|---|
| TRIB. OF ASSUNPINK CRK | New Jersey | Fair | 1949 | 77 | 2,477 |
| FLAT CREEK | New Jersey | Fair | 1949 | 77 | 770 |
| COMPTONS CREEK | New Jersey | Fair | 1949 | 77 | 674 |
| NJ 28 | New Jersey | Fair | 1949 | 77 | 22,955 |
| NJ 28 | New Jersey | Fair | 1949 | 77 | 16,775 |
| BR OF PETERS BROOK | New Jersey | Fair | 1949 | 77 | 33,550 |
| PETERS BROOK | New Jersey | Fair | 1949 | 77 | 18,559 |
| US 202/206 NB RAMP | New Jersey | Fair | 1949 | 77 | 44,372 |
| CULVERS CREEK | New Jersey | Fair | 1949 | 77 | 574 |
| WALLKILL RIVER | New Jersey | Fair | 1949 | 77 | 19,472 |
| TRIB OF MUSCONETCONG RIV | New Jersey | Fair | 1949 | 77 | 2,903 |
| LOPATCONG CREEK | New Jersey | Fair | 1949 | 77 | 3,369 |
| D&R CANAL FEEDER | New Jersey | Fair | 1949 | 77 | 1,482 |
| GSP | New Jersey | Fair | 1949 | 77 | 22,856 |
| GSP & NJTPK | New Jersey | Fair | 1949 | 77 | 16,865 |
| Allendale Brook | New Jersey | Fair | 1950 | 76 | 11,405 |
| NJ 208 | New Jersey | Fair | 1950 | 76 | 12,168 |
| NJ TURNPIKE | New Jersey | Fair | 1950 | 76 | 51,726 |
| N BRANCH RANCOCAS CREEK | New Jersey | Fair | 1950 | 76 | 10,770 |
| SO BR TIMBER CREEK | New Jersey | Fair | 1950 | 76 | 66 |
| GRASSY SOUND | New Jersey | Fair | 1950 | 76 | 18,048 |
| CONANSEY RIVER | New Jersey | Fair | 1950 | 76 | 6,718 |
| US 46 | New Jersey | Fair | 1950 | 76 | 19,480 |
| NJ 21 | New Jersey | Good | 1950 | 76 | 77,798 |
| REPAUPO CREEK | New Jersey | Fair | 1950 | 76 | 89 |
| Hudson River | New Jersey | Fair | 1950 | 76 | 2,065 |
| Hudson River | New Jersey | Fair | 1950 | 76 | 2,065 |
| I-78 & Coles Street | New Jersey | Fair | 1950 | 76 | 38,491 |
| LOCKATONG CREEK | New Jersey | Fair | 1950 | 76 | 5,645 |
| BRANCH SHABAKUNK CREEK | New Jersey | Fair | 1950 | 76 | 18,625 |
| WOODBRIDGE CREEK | New Jersey | Fair | 1950 | 76 | 8,041 |
| MILL BROOK | New Jersey | Fair | 1950 | 76 | 357 |
| MILL BROOK | New Jersey | Fair | 1950 | 76 | 693 |
| S. BR. RAHWAY RIVER | New Jersey | Fair | 1950 | 76 | 10,204 |
| AMTRAK NE CORRIDOR | New Jersey | Fair | 1950 | 76 | 23,304 |
| WILLOW BROOK | New Jersey | Fair | 1950 | 76 | 2,176 |
| MINE BROOK | New Jersey | Fair | 1950 | 76 | 1,415 |
| SHREWSBURY RIVER | New Jersey | Poor | 1950 | 76 | 11,230 |
| ASHLEY AVE | New Jersey | Good | 1950 | 76 | 24,266 |
| NJ 71 (UNION AVE) | New Jersey | Poor | 1950 | 76 | 24,280 |
| WHIPPANY RIVER | New Jersey | Fair | 1950 | 76 | 13,541 |
| ROCKAWAY RIVER | New Jersey | Fair | 1950 | 76 | 11,478 |
| WILLS HOLE MANASQUAN RIV | New Jersey | Poor | 1950 | 76 | 34,451 |
| Manasquan River | New Jersey | Fair | 1950 | 76 | 24,517 |
| BARNEGAT BAY | New Jersey | Poor | 1950 | 76 | 1,220 |
| Barnegat Bay | New Jersey | Fair | 1950 | 76 | 24,264 |
| WEASEL BROOK | New Jersey | Fair | 1950 | 76 | 6,190 |
| NJ 3 | New Jersey | Fair | 1950 | 76 | 2,330 |
| HIGH MOUNTAIN BROOK | New Jersey | Poor | 1950 | 76 | 336 |
| HIGH MOUNTAIN BROOK | New Jersey | Good | 1950 | 76 | 415 |
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.