US Bridges

Ahaolelo RD over Kahaluu Wpp A-1 Channel

Good

Honolulu County, Hawaii · Tmk 4-7-28 · Structure no. 003401001100001

Built
1965
60 years old, rebuilt 1985
Condition
Good
inspected January 2025
Type
Tee Beam
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
720
1981 count
Owner
County
County Highway Agency

About this bridge

Ahaolelo RD over Kahaluu Wpp A-1 Channel is a prestressed concrete tee beam carrying Ahaolelo RD over Kahaluu Wpp A-1 Channel in Honolulu County, Hawaii. It was built in 1965 and reconstructed in 1985, so it is 60 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 720 vehicles a day, projected to reach 900 by 2025. The structure is 65 ft (19.9 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAhaolelo RD
CrossesKahaluu Wpp A-1 Channel
LocationTmk 4-7-28
RouteCity Street 0
StateHawaii
Coordinates21.45458, -157.83649
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length65 ft (19.9 m)
Longest span62 ft (18.8 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (1981)
Projected traffic900 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ahaolelo RD over Kahaluu Wpp A-1 Channel built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1985.

What condition is Ahaolelo RD over Kahaluu Wpp A-1 Channel 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 January 2025.

How much traffic does Ahaolelo RD over Kahaluu Wpp A-1 Channel carry?

About 720 vehicles per day (1981 count).

How long is Ahaolelo RD over Kahaluu Wpp A-1 Channel?

The structure is 65 ft (19.9 m) long with a longest span of 62 ft (18.8 m) and a deck 60 ft wide.

Who owns Ahaolelo RD over Kahaluu Wpp A-1 Channel?

It is owned by the County Highway Agency.