Hawaii bridges
Hawaii reports 1,180 bridges and culverts across 5 counties. 67 (5.7%) are rated in poor condition, and 206 are posted with load limits or closed. The oldest structure still in the inventory dates from 1900.
Find a bridge in Hawaii
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Counties
Circle size reflects the number of bridges- Hawaii County 231
- Honolulu County 676
- Kalawao County 1
- Kauai County 85
- Maui County 187
Condition
Good39%(461)
Fair55%(652)
Poor6%(67)
Counties with the highest share of poor bridges
- Kauai County7.1% of 85
- Maui County7.0% of 187
- Honolulu County5.9% of 676
- Hawaii County3.5% of 231
Structure types
| Structure type | Bridges | Share |
|---|---|---|
| Stringer/Multi-beam or Girder | 309 | 26.2% |
| Tee Beam | 243 | 20.6% |
| Slab | 209 | 17.7% |
| Culvert | 200 | 16.9% |
| Box Beam or Girders - Multiple | 109 | 9.2% |
| Arch - Deck | 27 | 2.3% |
| Frame | 24 | 2.0% |
| Girder and Floorbeam System | 18 | 1.5% |
| Truss - Thru | 14 | 1.2% |
| Box Beam or Girders - Single or Spread | 9 | 0.8% |
| Segmental Box Girder | 7 | 0.6% |
| Arch - Thru | 5 | 0.4% |
| Other | 4 | 0.3% |
| Movable - Lift | 1 | 0.1% |
| Truss - Deck | 1 | 0.1% |
When Hawaii's bridges were built
Busiest
- FAI-H1 over 3-162" Sectl Pl CulvtGoodHonolulu County · 247,700 vehicles/day
- FAI-H1 over 2-180IN Sectl Pl CulvtGoodHonolulu County · 247,700 vehicles/day
- FAI-H1 over Aiea Strm 15X12 Twn CulvGoodHonolulu County · 247,700 vehicles/day
- FAI-H1 over Waimalu Via-Strm/HwyFairHonolulu County · 244,000 vehicles/day
- FAI-H1 over Pearl City ViaductFairHonolulu County · 231,700 vehicles/day
Longest
- Airpt Via (w.B) H1 over Valkbgh Catlin Ohohia STFairHonolulu County · 10,283 ft
- Airpt Via (e.B) H1 over Lagn DR Catlin Ohohia STFairHonolulu County · 10,195 ft
- Windward Viadt Ob over Unnamed StreamGoodHonolulu County · 6,616 ft
- Windward Viadt Ib over Unnamed StreamGoodHonolulu County · 6,612 ft
- H-3 over N Halawa StreamGoodHonolulu County · 6,234 ft
Oldest
- Old Mamalahoa HWY over Kawainui StreamPoorHawaii County · Built 1900
- Kaiwiki RD over Maili StreamFairHawaii County · Built 1900
- Kimo Dr. over Kimo Dr/Nuuanu StrmFairHonolulu County · Built 1900
- Kokee RD over Mana StreamFairKauai County · Built 1900
- Kokee RD over Kokee Br(waipa Strm)FairKauai County · Built 1900
Newest
- Peahi RD over Kaupakalua StrmGoodMaui County · Built 2024
- Farr HWY over Unmd Strm (makaha #3)GoodHonolulu County · Built 2023
- Farr HWY over Unmd Strm (makaha #3A)GoodHonolulu County · Built 2023
- Lr Honoapiilani RD over Kahana StreamGoodMaui County · Built 2023
- Kamalu RD over Kalama StreamGoodKauai County · Built 2022
Who owns Hawaii's bridges
| State | 733 | 62.1% |
| County | 409 | 34.7% |
| Federal | 37 | 3.1% |
| Private | 1 | 0.1% |
More Hawaii facts
Total bridge length52 miles
Total deck area15,619,861 sq ft
Culverts counted as bridges200 (17%)
On the National Highway System520
Posted with load limits201
Closed to traffic5
Listed or eligible for the National Register9
Average daily traffic per bridge22,740 vehicles
Newest structure2024