US Bridges

Kalakaua Ave over Ala Wai Canal

Fair

Honolulu County, Hawaii · Int/Ala Wai/Kalakaua Ave · Structure no. 003083181400074

Built
1929
96 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
141 ft
3 main spans
Daily traffic
32,516
2022 count
Owner
County
County Highway Agency

About this bridge

Kalakaua Ave over Ala Wai Canal is a concrete arch - deck carrying Kalakaua Ave over Ala Wai Canal in Honolulu County, Hawaii. It was built in 1929, so it is 96 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 32,516 vehicles a day, projected to reach 39,906 by 2025. The structure is 141 ft (43 m) long and 73 ft wide.

Location

Open in Google Maps
CarriesKalakaua Ave
CrossesAla Wai Canal
LocationInt/Ala Wai/Kalakaua Ave
RouteCity Street 7612
CountyHonolulu County
StateHawaii
Coordinates21.28884, -157.83479
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating34.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length141 ft (43 m)
Longest span53 ft (16.3 m)
Deck width73 ft (22.2 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,516 (2022)
Projected traffic39,906 by 2025
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kalakaua Ave over Ala Wai Canal built?

It was built in 1929, making it 96 years old in 2025.

What condition is Kalakaua Ave over Ala Wai Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Kalakaua Ave over Ala Wai Canal carry?

About 32,516 vehicles per day (2022 count).

How long is Kalakaua Ave over Ala Wai Canal?

The structure is 141 ft (43 m) long with a longest span of 53 ft (16.3 m) and a deck 73 ft wide.

Who owns Kalakaua Ave over Ala Wai Canal?

It is owned by the County Highway Agency.