US Bridges

Moanalua RD over Waimano Strm

Good

Honolulu County, Hawaii · 0.16MI Se/Hoolaulea ST · Structure no. 003072001400041

Built
1969
56 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
20,500
2017 count
Owner
County
County Highway Agency

About this bridge

Moanalua RD over Waimano Strm is a prestressed concrete tee beam carrying Moanalua RD over Waimano Strm in Honolulu County, Hawaii. It was built in 1969, so it is 56 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 20,500 vehicles a day, projected to reach 35,716 by 2025. The structure is 24 ft (7.3 m) long and 98 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMoanalua RD
CrossesWaimano Strm
Location0.16MI Se/Hoolaulea ST
RouteCity Street 7210
StateHawaii
Coordinates21.39737, -157.96311
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width98 ft (29.9 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2017)
Projected traffic35,716 by 2025
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Moanalua RD over Waimano Strm built?

It was built in 1969, making it 56 years old in 2025.

What condition is Moanalua RD over Waimano Strm 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 August 2023.

How much traffic does Moanalua RD over Waimano Strm carry?

About 20,500 vehicles per day (2017 count).

How long is Moanalua RD over Waimano Strm?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 98 ft wide.

Who owns Moanalua RD over Waimano Strm?

It is owned by the County Highway Agency.