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 |
|---|---|---|---|---|---|
| N BRANCH TIMBER CREEK | New Jersey | Poor | 1936 | 90 | 16,633 |
| SUTTONS DITCH | New Jersey | Fair | 1936 | 90 | 2,700 |
| MILL CREEK | New Jersey | Good | 1936 | 90 | 1,561 |
| LEBANON BR OF MILL CREEK | New Jersey | Fair | 1936 | 90 | 13,905 |
| MAURICE RIVER | New Jersey | Fair | 1936 | 90 | 12,459 |
| WEST BRANCH RAHWAY RIVER | New Jersey | Fair | 1936 | 90 | 19,582 |
| HOSPITALITY BRANCH | New Jersey | Fair | 1936 | 90 | 6,365 |
| Branch of Neshanic River | New Jersey | Poor | 1936 | 90 | 414 |
| MIRY RUN | New Jersey | Poor | 1936 | 90 | 20,985 |
| ROCKY BROOK | New Jersey | Fair | 1936 | 90 | 35,803 |
| MILLSTONE RIVER | New Jersey | Poor | 1936 | 90 | 32,880 |
| US9 NB & Main St | New Jersey | Fair | 1936 | 90 | 94,902 |
| WASHINGTON AVE (CR 670) | New Jersey | Fair | 1936 | 90 | 99,182 |
| CONRAIL (ABANDONED) | New Jersey | Fair | 1936 | 90 | 97,902 |
| NJ 35 NB | New Jersey | Fair | 1936 | 90 | 5,784 |
| BORDENTOWN AVE. (CR 615) | New Jersey | Fair | 1936 | 90 | 25,693 |
| NEW MARKET POND&CONRAIL | New Jersey | Fair | 1936 | 90 | 14,753 |
| MATCHAPONIX BROOK | New Jersey | Fair | 1936 | 90 | 3,225 |
| SHARK RIVER | New Jersey | Fair | 1936 | 90 | 3,765 |
| ATLANTIC AVE (524 SPUR) | New Jersey | Fair | 1936 | 90 | 41,465 |
| NJ 33 WB | New Jersey | Fair | 1936 | 90 | 10,307 |
| SOUTHERN DIVISION | New Jersey | Fair | 1936 | 90 | 21,848 |
| SPRING GARDEN BROOK | New Jersey | Fair | 1936 | 90 | 2,760 |
| LOANTAKA BROOK | New Jersey | Fair | 1936 | 90 | 6,512 |
| ROCKAWAY RIVER | New Jersey | Fair | 1936 | 90 | 6,133 |
| GLADSTONE LN&PASSAIC RVR | New Jersey | Fair | 1936 | 90 | 7,230 |
| MONTCLAIR LINE&PARK AVE. | New Jersey | Fair | 1936 | 90 | 8,880 |
| RIDGEWAY BRANCH | New Jersey | Fair | 1936 | 90 | 19,115 |
| NORTH BR OF TOMS RIVER | New Jersey | Fair | 1936 | 90 | 30,561 |
| MEADOW BROOK | New Jersey | Good | 1936 | 90 | 1,147 |
| WEST BROOK | New Jersey | Fair | 1936 | 90 | 2,081 |
| Oldmans Creek | New Jersey | Fair | 1936 | 90 | 4,157 |
| MIDDLE BROOK | New Jersey | Fair | 1936 | 90 | 11,646 |
| Branch of Paulins Kill | New Jersey | Fair | 1936 | 90 | 3,056 |
| SHIMERS BROOK | New Jersey | Fair | 1936 | 90 | 2,649 |
| LITTLE FLAT BROOK | New Jersey | Fair | 1936 | 90 | 586 |
| CONRAIL RR | New Jersey | Fair | 1936 | 90 | 50 |
| AMTRAK NE CORRIDOR | New Jersey | Fair | 1936 | 90 | 2,478 |
| LV ML & Rahway Rv | New Jersey | Fair | 1936 | 90 | 20,300 |
| POHATCONG CREEK | New Jersey | Fair | 1936 | 90 | 470 |
| BRASS CASTLE CREEK | New Jersey | Fair | 1936 | 90 | 337 |
| JFK BLVD (EAST)&EAST RMP | New Jersey | Fair | 1936 | 90 | 147,080 |
| ATLANTIC CITY LINE | New Jersey | Poor | 1937 | 89 | 2,677 |
| NJ 4 | New Jersey | Fair | 1937 | 89 | 17,162 |
| NORTH BRANCH TIMBERCREEK | New Jersey | Fair | 1937 | 89 | 6,433 |
| COHANSEY RIVER | New Jersey | Fair | 1937 | 89 | 10,662 |
| MANTUA CREEK | New Jersey | Fair | 1937 | 89 | 12,842 |
| MILLVILLE BRANCH | New Jersey | Fair | 1937 | 89 | 7,913 |
| HUDSON BERGEN LIGHT RAIL | New Jersey | Fair | 1937 | 89 | 71,289 |
| Abandoned Conr. Nwrk Br. | New Jersey | Good | 1937 | 89 | 18,985 |
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.