US Bridges

Ala Aolani Loop over Ala Aoloa Lp/Moanalua ST

Fair

Honolulu County, Hawaii · TMK=1-1-12 · Structure no. 003131001200001

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
452
1990 count
Owner
County
County Highway Agency

About this bridge

Ala Aolani Loop over Ala Aoloa Lp/Moanalua ST is a prestressed concrete tee beam carrying Ala Aolani Loop over Ala Aoloa Lp/Moanalua ST in Honolulu County, Hawaii. It was built in 1965, 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 fair condition with a lowest component rating of 6 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 452 vehicles a day, projected to reach 565 by 2025. The structure is 52 ft (15.9 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAla Aolani Loop
CrossesAla Aoloa Lp/Moanalua ST
LocationTMK=1-1-12
RouteCity Street 0
StateHawaii
Coordinates21.36928, -157.88841
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length52 ft (15.9 m)
Longest span47 ft (14.4 m)
Deck width44 ft (13.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic452 (1990)
Projected traffic565 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Ala Aolani Loop over Ala Aoloa Lp/Moanalua ST built?

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

What condition is Ala Aolani Loop over Ala Aoloa Lp/Moanalua ST 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 October 2024.

How much traffic does Ala Aolani Loop over Ala Aoloa Lp/Moanalua ST carry?

About 452 vehicles per day (1990 count).

How long is Ala Aolani Loop over Ala Aoloa Lp/Moanalua ST?

The structure is 52 ft (15.9 m) long with a longest span of 47 ft (14.4 m) and a deck 44 ft wide.

Who owns Ala Aolani Loop over Ala Aoloa Lp/Moanalua ST?

It is owned by the County Highway Agency.