US Bridges

Kawailani ST over Waiakea Str

Good

Hawaii County, Hawaii · Tmk 2-4-003:022 · Structure no. 001240001100002

Built
1967
58 years old, rebuilt 2005
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
3,990
1986 count
Owner
County
County Highway Agency

About this bridge

Kawailani ST over Waiakea Str is a prestressed concrete slab carrying Kawailani ST over Waiakea Str in Hawaii County, Hawaii. It was built in 1967 and reconstructed in 2005, so it is 58 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 3,990 vehicles a day, projected to reach 4,988 by 2025. The structure is 65 ft (19.7 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKawailani ST
CrossesWaiakea Str
LocationTmk 2-4-003:022
CountyHawaii County
StateHawaii
Coordinates19.68266, -155.09764
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length65 ft (19.7 m)
Longest span60 ft (18.4 m)
Deck width63 ft (19.1 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,990 (1986)
Projected traffic4,988 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$320,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kawailani ST over Waiakea Str built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2005.

What condition is Kawailani ST over Waiakea Str 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 October 2023.

How much traffic does Kawailani ST over Waiakea Str carry?

About 3,990 vehicles per day (1986 count).

How long is Kawailani ST over Waiakea Str?

The structure is 65 ft (19.7 m) long with a longest span of 60 ft (18.4 m) and a deck 63 ft wide.

Who owns Kawailani ST over Waiakea Str?

It is owned by the County Highway Agency.