Koloa Rd over Waikomo Stream
Kauai County, Hawaii · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Koloa Rd over Waikomo Stream in Kauai County, Hawaii, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1928, making it 97 years old at the 2025 inventory.
- It carries about 12,108 vehicles a day (traffic count year 1986).
- Its listed owner is the county highway agency.
- It is one of 6 of the 85 inventoried bridges in Kauai County rated poor (7.1%); 6 (7.1%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (21.90401, -159.46569)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 3 | Serious condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 42 ft |
| Location | 0.07MI E/poipu-koloa Jct |
| NBI structure number | 007270100828001 |
| Condition class | Poor |
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.