Mamalahoa HWY over Moaula Gulch
GoodHawaii County, Hawaii · Tmk 9-6-02:14 · Structure no. 001960001100004
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 200
- 2008 count
- Owner
- County
- County Highway Agency
About this bridge
Mamalahoa HWY over Moaula Gulch is a prestressed concrete box beam or girders - multiple carrying Mamalahoa HWY over Moaula Gulch in Hawaii County, Hawaii. It was built in 2005, so it is 20 years old, younger 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 200 vehicles a day, projected to reach 240 by 2030. The structure is 60 ft (18.3 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mamalahoa HWY over Moaula Gulch built?
It was built in 2005, making it 20 years old in 2025.
What condition is Mamalahoa HWY over Moaula Gulch 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 February 2024.
How much traffic does Mamalahoa HWY over Moaula Gulch carry?
About 200 vehicles per day (2008 count).
How long is Mamalahoa HWY over Moaula Gulch?
The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.2 m) and a deck 25 ft wide.
Who owns Mamalahoa HWY over Moaula Gulch?
It is owned by the County Highway Agency.