US Bridges

Maluhia RD over Waihohonu Stream

Fair

Kauai County, Hawaii · 0.15MI S/Emi RD · Structure no. 007280500728003

Built
1936
89 years old, rebuilt 1973
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
28 ft
1 main span
Daily traffic
8,388
1989 count
Owner
County
County Highway Agency

About this bridge

Maluhia RD over Waihohonu Stream is a concrete continuous tee beam carrying Maluhia RD over Waihohonu Stream in Kauai County, Hawaii. It was built in 1936 and reconstructed in 1973, so it is 89 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 8,388 vehicles a day, projected to reach 10,485 by 2025. The structure is 28 ft (8.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMaluhia RD
CrossesWaihohonu Stream
Location0.15MI S/Emi RD
RouteCounty Highway 520
CountyKauai County
StateHawaii
Coordinates21.90637, -159.46568
Functional classRural 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span23 ft (7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,388 (1989)
Projected traffic10,485 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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$182,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Maluhia RD over Waihohonu Stream built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1973.

What condition is Maluhia RD over Waihohonu Stream 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 Maluhia RD over Waihohonu Stream carry?

About 8,388 vehicles per day (1989 count).

How long is Maluhia RD over Waihohonu Stream?

The structure is 28 ft (8.5 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.

Who owns Maluhia RD over Waihohonu Stream?

It is owned by the County Highway Agency.