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 |
|---|---|---|---|---|---|
| MOLLY ANNS BROOK | New Jersey | Fair | 1948 | 78 | 2,994 |
| SINGAC BROOK | New Jersey | Fair | 1948 | 78 | 33,122 |
| NJ RT 3 | New Jersey | Fair | 1948 | 78 | 12,875 |
| BLOOMFIELD AVE (CR 622) | New Jersey | Fair | 1948 | 78 | 138,595 |
| NORFOLK SOUTHERN | New Jersey | Fair | 1948 | 78 | 138,590 |
| PASSAIC AVENUE (CR 603) | New Jersey | Fair | 1948 | 78 | 138,590 |
| MAIN AVE (CR 601) | New Jersey | Fair | 1948 | 78 | 138,590 |
| US 46 | New Jersey | Good | 1948 | 78 | 28,237 |
| US 22 | New Jersey | Poor | 1948 | 78 | 41,132 |
| WALLKILL RIVER BY-PASS | New Jersey | Fair | 1948 | 78 | 8,008 |
| BR. FRANKLIN LAKE | New Jersey | Fair | 1948 | 78 | 25,140 |
| DELAWARE & RARITAN CANAL | New Jersey | Good | 1948 | 78 | 12,903 |
| DELAWARE & RARITAN CANAL | New Jersey | Fair | 1948 | 78 | 8,728 |
| CORSONS INLET | New Jersey | Poor | 1948 | 78 | 2,410 |
| US ROUTE 9 SB | New Jersey | Fair | 1948 | 78 | 21,281 |
| NJTPK | New Jersey | Fair | 1948 | 78 | 127,000 |
| US ROUTE 1 | New Jersey | Fair | 1948 | 78 | 168,525 |
| S BR RAHWAY RIVER | New Jersey | Fair | 1948 | 78 | 194,231 |
| GSP | New Jersey | Fair | 1948 | 78 | 22,610 |
| GSP | New Jersey | Fair | 1948 | 78 | 15,666 |
| Garden State Parkway | New Jersey | Fair | 1948 | 78 | 9,018 |
| GSP | New Jersey | Fair | 1948 | 78 | 18,463 |
| LAKE AVENUE | New Jersey | Fair | 1948 | 78 | 93,978 |
| LAKE AVENUE | New Jersey | Good | 1948 | 78 | 100,978 |
| GARDEN STATE PARKWAY | New Jersey | Fair | 1948 | 78 | 7,997 |
| MIDDLESEX RESERVOIR | New Jersey | Fair | 1948 | 78 | 194,956 |
| GARDEN STATE PARKWAY | New Jersey | Fair | 1948 | 78 | 14,802 |
| CENTRAL AVENUE EB CR 613 | New Jersey | Fair | 1948 | 78 | 176,432 |
| CENTRAL AVENUE WB CR 613 | New Jersey | Fair | 1948 | 78 | 176,432 |
| LEHIGH VALLEY RAILROAD | New Jersey | Fair | 1948 | 78 | 211,866 |
| WALNUT AVENUE (CR 632) | New Jersey | Good | 1948 | 78 | 211,866 |
| RAHWAY RIVER | New Jersey | Fair | 1948 | 78 | 247,670 |
| GSP | New Jersey | Fair | 1948 | 78 | 19,605 |
| GSP | New Jersey | Fair | 1948 | 78 | 18,722 |
| LEHIGH VALLEY MAIN LINE | New Jersey | Fair | 1948 | 78 | 220,314 |
| GREEN POND BROOK | New Jersey | Fair | 1948 | 78 | 1,250 |
| BABCOCK CREEK | New Jersey | Fair | 1949 | 77 | 238 |
| Plaza Road | New Jersey | Fair | 1949 | 77 | 68,290 |
| NJ 208 | New Jersey | Fair | 1949 | 77 | 19,720 |
| SWEDES RUN | New Jersey | Poor | 1949 | 77 | 7,257 |
| ANNARICKEN BROOK | New Jersey | Poor | 1949 | 77 | 8,777 |
| BRANCH RANCOCAS CREEK | New Jersey | Fair | 1949 | 77 | 8,793 |
| Haddon Avenue (CR 561) | New Jersey | Fair | 1949 | 77 | 67,247 |
| US 30 | New Jersey | Poor | 1949 | 77 | 3,509 |
| DRAINAGE DITCH | New Jersey | Fair | 1949 | 77 | 2,796 |
| BEEBE RUN | New Jersey | Fair | 1949 | 77 | 536 |
| WICKECHEOKE CREEK | New Jersey | Fair | 1949 | 77 | 328 |
| ASSUNPINK CREEK | New Jersey | Good | 1949 | 77 | 62,027 |
| AMTRAK & NJ TRANSIT | New Jersey | Fair | 1949 | 77 | 16,238 |
| NJ 33 (MARKET ST) | New Jersey | Fair | 1949 | 77 | 72,426 |
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.