Old Mamalahoa HWY over Inoino Gulch
GoodPosted for loadHawaii County, Hawaii · Tmk: 4-6-011:045 · Structure no. 001460001100005
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 1,778
- 1999 count
- Owner
- County
- County Highway Agency
About this bridge
Old Mamalahoa HWY over Inoino Gulch is a prestressed concrete stringer/multi-beam or girder carrying Old Mamalahoa HWY over Inoino Gulch in Hawaii County, Hawaii. It was built in 2001, so it is 24 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. Its operating status is: posted for load restriction.
It carries about 1,778 vehicles a day, roughly 1% of them trucks, projected to reach 4,166 by 2042. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Mamalahoa HWY over Inoino Gulch built?
It was built in 2001, making it 24 years old in 2025.
What condition is Old Mamalahoa HWY over Inoino 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 June 2024.
How much traffic does Old Mamalahoa HWY over Inoino Gulch carry?
About 1,778 vehicles per day (1999 count), of which roughly 1% are trucks.
How long is Old Mamalahoa HWY over Inoino Gulch?
The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.
Who owns Old Mamalahoa HWY over Inoino Gulch?
It is owned by the County Highway Agency.