I-H1 over North-South Road
GoodHonolulu County, Hawaii · 3.21 MI E of Palailai Ic · Structure no. 003000H10100319
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 172 ft
- 1 main span
- Daily traffic
- 86,200
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
I-H1 over North-South Road is a prestressed concrete stringer/multi-beam or girder carrying I-H1 over North-South Road in Honolulu County, Hawaii. It was built in 2007, so it is 18 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 86,200 vehicles a day, roughly 4% of them trucks, projected to reach 109,600 by 2025. The structure is 172 ft (52.4 m) long and 59 ft wide. If it were closed, the detour would be 6.2 mi (10 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-H1 over North-South Road built?
It was built in 2007, making it 18 years old in 2025.
What condition is I-H1 over North-South Road 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 March 2024.
How much traffic does I-H1 over North-South Road carry?
About 86,200 vehicles per day (2012 count), of which roughly 4% are trucks.
How long is I-H1 over North-South Road?
The structure is 172 ft (52.4 m) long with a longest span of 165 ft (50.3 m) and a deck 59 ft wide.
Who owns I-H1 over North-South Road?
It is owned by the State Highway Agency.