Mamalahoa over Hanawi Strm
PoorPosted for loadHawaii County, Hawaii · Tmk 2-7-09:13 · Structure no. 001270001100005
- Built
- 1922
- 103 years old
- Condition
- Poor
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Concrete Continuous
- Length
- 79 ft
- 2 main spans
- Daily traffic
- 600
- 1986 count
- Owner
- County
- County Highway Agency
About this bridge
Mamalahoa over Hanawi Strm is a concrete continuous stringer/multi-beam or girder carrying Mamalahoa over Hanawi Strm in Hawaii County, Hawaii. It was built in 1922, so it is 103 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 600 vehicles a day, projected to reach 750 by 2025. The structure is 79 ft (24.1 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Mamalahoa over Hanawi Strm built?
It was built in 1922, making it 103 years old in 2025.
What condition is Mamalahoa over Hanawi 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 March 2023.
How much traffic does Mamalahoa over Hanawi Strm carry?
About 600 vehicles per day (1986 count).
How long is Mamalahoa over Hanawi Strm?
The structure is 79 ft (24.1 m) long with a longest span of 39 ft (11.9 m) and a deck 20 ft wide.
Who owns Mamalahoa over Hanawi Strm?
It is owned by the County Highway Agency.