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 |
|---|---|---|---|---|---|
| LUPPATATONG CREEK | New Jersey | Fair | 1946 | 80 | 11,996 |
| FLAT CREEK | New Jersey | Fair | 1946 | 80 | 1,500 |
| MINGAMAHONE BROOK | New Jersey | Fair | 1946 | 80 | 1,758 |
| HAYSTACK BROOK | New Jersey | Poor | 1946 | 80 | 1,066 |
| MUDDY RUN | New Jersey | Fair | 1946 | 80 | 699 |
| WEST BRANCH STOW CREEK | New Jersey | Fair | 1946 | 80 | 263 |
| MERRILL CREEK | New Jersey | Fair | 1946 | 80 | 388 |
| LOPATCONG CREEK | New Jersey | Fair | 1946 | 80 | 429 |
| PASCACK BROOK | New Jersey | Fair | 1947 | 79 | 5,610 |
| NJ 3 | New Jersey | Good | 1947 | 79 | 1,970 |
| Canoe Brook | New Jersey | Fair | 1947 | 79 | 20,553 |
| CANOE BROOK | New Jersey | Fair | 1947 | 79 | 1,508 |
| US 1 & 9 | New Jersey | Fair | 1947 | 79 | 16,492 |
| TONEYS BROOK | New Jersey | Fair | 1947 | 79 | 3,532 |
| NJ 45 SB | New Jersey | Fair | 1947 | 79 | 19,910 |
| MINGAMAHONE BROOK | New Jersey | Fair | 1947 | 79 | 2,522 |
| MANASQUAN RIVER | New Jersey | Poor | 1947 | 79 | 3,682 |
| WHIPPANY RIVER | New Jersey | Fair | 1947 | 79 | 13,160 |
| THIRD RIVER | New Jersey | Good | 1947 | 79 | 138,595 |
| UPPER POND SPILLWAY | New Jersey | Good | 1947 | 79 | 138,595 |
| RIVER RD (CR 624) | New Jersey | Good | 1947 | 79 | 138,595 |
| PAULINS KILL BRANCH | New Jersey | Fair | 1947 | 79 | 2,536 |
| RARITAN VALLEY LINE | New Jersey | Fair | 1947 | 79 | 7,550 |
| BR RAHWAY RIVER & MAINS | New Jersey | Fair | 1947 | 79 | 278,487 |
| Colonial Pipelines | New Jersey | Good | 1947 | 79 | 196,710 |
| OVERPECK CREEK | New Jersey | Fair | 1948 | 78 | 7,611 |
| NJ 3 | New Jersey | Good | 1948 | 78 | 10,105 |
| NJ TRANSIT 20TH STREET | New Jersey | Fair | 1948 | 78 | 68,290 |
| DENNS BRANCH | New Jersey | Good | 1948 | 78 | 600 |
| OAK ISL RR YD FRONT. RD | New Jersey | Fair | 1948 | 78 | 63,354 |
| DELANCEY STREET | New Jersey | Fair | 1948 | 78 | 46,421 |
| CONRAIL (ABANDONED) | New Jersey | Fair | 1948 | 78 | 60,390 |
| WILSON AVENUE | New Jersey | Fair | 1948 | 78 | 46,421 |
| CONRAIL & RICHARDS LANE | New Jersey | Fair | 1948 | 78 | 45,505 |
| MAGAZINE STREET | New Jersey | Good | 1948 | 78 | 46,421 |
| SAINT CHARLES STREET | New Jersey | Fair | 1948 | 78 | 46,421 |
| ROANOKE AVENUE | New Jersey | Fair | 1948 | 78 | 46,421 |
| CONRAIL (CRRNJ BRANCH) | New Jersey | Fair | 1948 | 78 | 45,505 |
| FOUNDRY STREET | New Jersey | Fair | 1948 | 78 | 46,421 |
| PASSIAC R RAMPS PASS.AVE | New Jersey | Fair | 1948 | 78 | 100,495 |
| EDWARDS RUN AT LOCK NO.9 | New Jersey | Fair | 1948 | 78 | 8,515 |
| MONONGAHELA BROOK | New Jersey | Fair | 1948 | 78 | 12,936 |
| NJ 3 | New Jersey | Good | 1948 | 78 | 12,620 |
| BEAVER BROOK | New Jersey | Fair | 1948 | 78 | 130,244 |
| AMTRAK-DEVIL BROOK | New Jersey | Fair | 1948 | 78 | 10,861 |
| PARKERS CREEK | New Jersey | Fair | 1948 | 78 | 11,299 |
| MARSH BOG BROOK | New Jersey | Fair | 1948 | 78 | 8,120 |
| Rockaway River | New Jersey | Fair | 1948 | 78 | 1,408 |
| NO BR OF METEDECONK CRK | New Jersey | Fair | 1948 | 78 | 7,888 |
| NO BR OF METEDECONK CRK | New Jersey | Fair | 1948 | 78 | 5,025 |
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.