Renton Road over Kaloi Gulch
Honolulu County, Hawaii · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Renton Road over Kaloi Gulch in Honolulu County, Hawaii, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1992, making it 33 years old at the 2025 inventory.
- It carries about 985 vehicles a day (traffic count year 2009).
- Its listed owner is the county highway agency.
- It is one of 364 of the 676 inventoried bridges in Honolulu County rated fair (53.8%); 40 (5.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (culvert 7 to 6).
- Its most recent inspection on record is dated January 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 → (21.34222, -158.03778)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 3,013 ft |
| Location | Ewa |
| NBI structure number | 003900401600001 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Hawaii department of transportation.
Busiest bridges in Honolulu County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fai-h1 over 3-162" Sectl Pl Culvt | 1970 | 247,700 | Good |
| Fai-h1 over 2-180in Sectl Pl Culvt | 1970 | 247,700 | Good |
| Fai-h1 over Aiea Strm 15x12 Twn Culv | 1970 | 247,700 | Good |
| Fai-h1 over Waimalu Via-strm/hwy | 1970 | 244,000 | Fair |
| Fai-h1 over Pearl City Viaduct | 1969 | 231,700 | Fair |
| Fai-h1 over Waiau Ic-moanalua Rd | 1970 | 202,900 | Fair |
All bridges nearby: Honolulu County, HI bridge conditions · every bridge in Honolulu County · Hawaii bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.