US Bridges

Wilikina DR over Kaukonahua Strm

Fair

Honolulu County, Hawaii · 0.06MI N/Mcnair Gate · Structure no. 003000990300787

Built
1944
81 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
234 ft
3 main spans
Daily traffic
17,800
2017 count
Owner
State
State Highway Agency

About this bridge

Wilikina DR over Kaukonahua Strm is a concrete continuous tee beam carrying Wilikina DR over Kaukonahua Strm in Honolulu County, Hawaii. It was built in 1944, so it is 81 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.

It carries about 17,800 vehicles a day, roughly 3% of them trucks, projected to reach 27,770 by 2025. The structure is 234 ft (71.3 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWilikina DR
CrossesKaukonahua Strm
Location0.06MI N/Mcnair Gate
RouteU.S. Route 99
StateHawaii
Coordinates21.50063, -158.05197
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length234 ft (71.3 m)
Longest span90 ft (27.4 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,800 (2017)
Projected traffic27,770 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilikina DR over Kaukonahua Strm built?

It was built in 1944, making it 81 years old in 2025.

What condition is Wilikina DR over Kaukonahua 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 September 2023.

How much traffic does Wilikina DR over Kaukonahua Strm carry?

About 17,800 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Wilikina DR over Kaukonahua Strm?

The structure is 234 ft (71.3 m) long with a longest span of 90 ft (27.4 m) and a deck 34 ft wide.

Who owns Wilikina DR over Kaukonahua Strm?

It is owned by the State Highway Agency.