Anini Rd over Unknown Strm
Kauai County, Hawaii · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Anini Rd over Unknown Strm in Kauai County, Hawaii, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1929, making it 96 years old at the 2025 inventory.
- It carries about 999 vehicles a day (traffic count year 2013).
- Its listed owner is the county highway agency.
- It is one of 56 of the 85 inventoried bridges in Kauai County rated fair (65.9%); 6 (7.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, posting recommended but not legally implemented (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: culvert 6 to 5.
- Its most recent inspection on record is dated September 2024, 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 → (22.22456, -159.45283)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 22 ft |
| Location | 1.9mi N of KalihiwaiRdInt |
| NBI structure number | 007510001510006 |
| Condition class | Fair |
| Traffic status (item 41) | Open, posting recommended but not legally implemented |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Hawaii department of transportation.
Busiest bridges in Kauai County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Kaumualii Hwy over Nawiliwili Str/lihue M | 1936 | 34,100 | Fair |
| Kaumualii Highway over Nawiliwili Stream OB | 2014 | 34,100 | Good |
| Kaumualii Hwy over Unknown Stream | 2000 | 34,000 | Fair |
| Kuhio Hwy over Wailua River | 1945 | 31,600 | Poor |
| Kuhio Hwy/plan.rd. over Wailua River | 1920 | 31,600 | Fair |
| Kuhio Hwy over Uhelekawawa Canal | 1963 | 29,200 | Fair |
All bridges nearby: Kauai County, HI bridge conditions · every bridge in Kauai County · Hawaii bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.