US Bridges

Alii Drive over Kahului North Kona

Good

Hawaii County, Hawaii · TMK:7-5-19:8 · Structure no. 001750001100003

Built
2021
4 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
9,964
1981 count
Owner
County
County Highway Agency

About this bridge

Alii Drive over Kahului North Kona is a prestressed concrete slab carrying Alii Drive over Kahului North Kona in Hawaii County, Hawaii. It was built in 2021, so it is 4 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 9,964 vehicles a day, projected to reach 12,455 by 2025. The structure is 74 ft (22.5 m) long and 49 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesAlii Drive
CrossesKahului North Kona
LocationTMK:7-5-19:8
RouteCounty Highway 0
StateHawaii
Coordinates19.62396, -155.98584
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating87.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHL 93
Structure length74 ft (22.5 m)
Longest span74 ft (22.5 m)
Deck width49 ft (15 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,964 (1981)
Projected traffic12,455 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Alii Drive over Kahului North Kona built?

It was built in 2021, making it 4 years old in 2025.

What condition is Alii Drive over Kahului North Kona 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 Alii Drive over Kahului North Kona carry?

About 9,964 vehicles per day (1981 count).

How long is Alii Drive over Kahului North Kona?

The structure is 74 ft (22.5 m) long with a longest span of 74 ft (22.5 m) and a deck 49 ft wide.

Who owns Alii Drive over Kahului North Kona?

It is owned by the County Highway Agency.