Old Mamalahoa H over Kaiwilahilahi Strm
PoorPosted for loadHawaii County, Hawaii · Tmk 3-5-008:010 · Structure no. 001350001100001
- Built
- 1923
- 102 years old
- Condition
- Poor
- inspected January 2024
- Type
- Arch - Thru
- Concrete
- Length
- 162 ft
- 5 main spans
- Daily traffic
- 40
- 1987 count
- Owner
- County
- County Highway Agency
About this bridge
Old Mamalahoa H over Kaiwilahilahi Strm is a concrete arch - thru carrying Old Mamalahoa H over Kaiwilahilahi Strm in Hawaii County, Hawaii. It was built in 1923, so it is 102 years old, older than the Hawaii average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 40 vehicles a day, projected to reach 50 by 2025. The structure is 162 ft (49.4 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Mamalahoa H over Kaiwilahilahi Strm built?
It was built in 1923, making it 102 years old in 2025.
What condition is Old Mamalahoa H over Kaiwilahilahi Strm in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.
How much traffic does Old Mamalahoa H over Kaiwilahilahi Strm carry?
About 40 vehicles per day (1987 count).
How long is Old Mamalahoa H over Kaiwilahilahi Strm?
The structure is 162 ft (49.4 m) long with a longest span of 110 ft (33.5 m) and a deck 20 ft wide.
Who owns Old Mamalahoa H over Kaiwilahilahi Strm?
It is owned by the County Highway Agency.