US Bridges

Moanalua RD over Aiea Strm

FairPosted for load

Honolulu County, Hawaii · 0.04MI S/Aiea Hts DR · Structure no. 003072001400318

Built
1951
74 years old, rebuilt 1994
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
29,100
2017 count
Owner
County
County Highway Agency

About this bridge

Moanalua RD over Aiea Strm is a concrete tee beam carrying Moanalua RD over Aiea Strm in Honolulu County, Hawaii. It was built in 1951 and reconstructed in 1994, so it is 74 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 29,100 vehicles a day, projected to reach 32,500 by 2025. The structure is 28 ft (8.5 m) long and 82 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMoanalua RD
CrossesAiea Strm
Location0.04MI S/Aiea Hts DR
RouteCity Street 7210
CountyHonolulu County
StateHawaii
Coordinates21.37829, -157.93092
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.2 US tons
Inventory rating24.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width82 ft (25.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,100 (2017)
Projected traffic32,500 by 2025
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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$465,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Moanalua RD over Aiea Strm built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1994.

What condition is Moanalua RD over Aiea Strm 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 August 2023.

How much traffic does Moanalua RD over Aiea Strm carry?

About 29,100 vehicles per day (2017 count).

How long is Moanalua RD over Aiea Strm?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 82 ft wide.

Who owns Moanalua RD over Aiea Strm?

It is owned by the County Highway Agency.