Old Mamalahoa HWY over Honomu Stream
GoodHawaii County, Hawaii · Tmk: 2-8-013:003 · Structure no. 001280001100002
- Built
- 1935
- 90 years old, rebuilt 2002
- Condition
- Good
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 95 ft
- 1 main span
- Daily traffic
- 500
- 2000 count
- Owner
- County
- County Highway Agency
About this bridge
Old Mamalahoa HWY over Honomu Stream is a concrete continuous box beam or girders - multiple carrying Old Mamalahoa HWY over Honomu Stream in Hawaii County, Hawaii. It was built in 1935 and reconstructed in 2002, so it is 90 years old, older than the Hawaii average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 500 vehicles a day, projected to reach 1,149 by 2042. The structure is 95 ft (28.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Mamalahoa HWY over Honomu Stream built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2002.
What condition is Old Mamalahoa HWY over Honomu Stream in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does Old Mamalahoa HWY over Honomu Stream carry?
About 500 vehicles per day (2000 count).
How long is Old Mamalahoa HWY over Honomu Stream?
The structure is 95 ft (28.9 m) long with a longest span of 88 ft (26.8 m) and a deck 30 ft wide.
Who owns Old Mamalahoa HWY over Honomu Stream?
It is owned by the County Highway Agency.