Waianuenue Ave over Piihonua-wailuku River
Hawaii County, Hawaii · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Waianuenue Ave over Piihonua-wailuku River in Hawaii County, Hawaii, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 370 vehicles a day (traffic count year 1986).
- Its listed owner is the county highway agency.
- It is one of 123 of the 231 inventoried bridges in Hawaii County rated fair (53.2%); 8 (3.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated January 2025, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (19.715, -155.13836)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 135 ft |
| Location | Tmk 2-5-28:17 |
| NBI structure number | 001250001100002 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Hawaii department of transportation.
Busiest bridges in Hawaii County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Hawaii Belt Rd over Panaewa Strm | 1950 | 35,200 | Fair |
| Keeau-pahoa Hwy over Waipahoehoe Strm | 1968 | 26,700 | Good |
| Route 11 over Unmd Glh | 1984 | 25,900 | Good |
| Route 11 over Unmd Glh | 1984 | 25,400 | Good |
| Hi Blt Rd Palani R over Unmd Glh Tpl Mtl Culvt | 1984 | 25,400 | Good |
| Route 11 over Unmd Glh | 1984 | 25,400 | Good |
All bridges nearby: Hawaii County, HI bridge conditions · every bridge in Hawaii County · Hawaii bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.