Historic Bridges in Hawaii
386 bridges built before 1951 in Hawaii still in service today.
Bridges Built Before 1951
The United States has 386 bridges in Hawaii 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 |
|---|---|---|---|---|---|
| MANAWAINUI STRM | Hawaii | Fair | 1947 | 79 | 245 |
| KAWAIPAPA STRM | Hawaii | Good | 1947 | 79 | 1,800 |
| LELEKEA STRM | Hawaii | Good | 1947 | 79 | 245 |
| WAILUA STRM | Hawaii | Fair | 1947 | 79 | 450 |
| KAWAINUI STRM | Hawaii | Good | 1948 | 78 | 10,000 |
| MANOA PALOLO STRM(KING) | Hawaii | Fair | 1948 | 78 | 112,200 |
| KEKUPA STRM(MAHAIKONA) | Hawaii | Fair | 1948 | 78 | 11,800 |
| AAKUKUI STRM | Hawaii | Fair | 1948 | 78 | 11,800 |
| MAHINAULI STRM | Hawaii | Fair | 1948 | 78 | 11,800 |
| KAUMUALII HWY(OLOKELE) | Hawaii | Fair | 1948 | 78 | 11,500 |
| WAIKAEA CANAL | Hawaii | Fair | 1948 | 78 | 29,200 |
| MOIKEHA CANAL | Hawaii | Fair | 1948 | 78 | 22,500 |
| WAIAWA STREAM | Hawaii | Fair | 1949 | 77 | 5 |
| PUKIHAE STRM | Hawaii | Good | 1949 | 77 | 16,600 |
| WAIOLAMA CANAL | Hawaii | Poor | 1949 | 77 | 9,600 |
| Waiolama Canal | Hawaii | Fair | 1949 | 77 | 9,600 |
| KAPALAMA CANAL (E.B) | Hawaii | Poor | 1949 | 77 | 57,600 |
| KAPALAMA CANAL (W.B) | Hawaii | Fair | 1949 | 77 | 57,600 |
| MAILIILI STRM | Hawaii | Poor | 1949 | 77 | 26,100 |
| WAIAWA STRM (E.B) | Hawaii | Fair | 1949 | 77 | 13,700 |
| PALOLO STRM | Hawaii | Good | 1949 | 77 | 10,520 |
| E HIND DR/WAILUPE STRM | Hawaii | Fair | 1949 | 77 | 4,780 |
| IAO STRM | Hawaii | Good | 1949 | 77 | 9,849 |
| PANAEWA STRM | Hawaii | Fair | 1950 | 76 | 35,200 |
| KOLEKOLE STRM | Hawaii | Fair | 1950 | 76 | 5,600 |
| PAHEEHEE STRM | Hawaii | Fair | 1950 | 76 | 10,000 |
| KAPUE STRM | Hawaii | Fair | 1950 | 76 | 13,600 |
| WAILUKU STRM | Hawaii | Fair | 1950 | 76 | 15,600 |
| WAIKAKALAUA STRM (O.B) | Hawaii | Fair | 1950 | 76 | 12,200 |
| MANOA-PALOLO STRM | Hawaii | Good | 1950 | 76 | 18,917 |
| MANOA STRM | Hawaii | Fair | 1950 | 76 | 13,006 |
| AHE ST/PUKELE STRM | Hawaii | Fair | 1950 | 76 | 2,358 |
| KIIKII STREAM | Hawaii | Fair | 1950 | 76 | 4,790 |
| UKUMEHAME STRM | Hawaii | Fair | 1950 | 76 | 27,400 |
| MAPULEHU STRM | Hawaii | Fair | 1950 | 76 | 850 |
| WAIHALI STREAM | Hawaii | Fair | 1950 | 76 | 2 |
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.