US Bridges

Hana HWY over Kailua Strm

FairPosted for load

Maui County, Hawaii · 6.26MI W/Kaumahina Pk RD · Structure no. 009003600500588

Built
1929
96 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
4,000
2017 count
Owner
State
State Highway Agency

About this bridge

Hana HWY over Kailua Strm is a concrete tee beam carrying Hana HWY over Kailua Strm in Maui County, Hawaii. It was built in 1929, so it is 96 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. Its operating status is: posted for load restriction.

It carries about 4,000 vehicles a day, roughly 1% of them trucks, projected to reach 2,608 by 2025. The structure is 40 ft (12.3 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesHana HWY
CrossesKailua Strm
Location6.26MI W/Kaumahina Pk RD
RouteU.S. Route 360
CountyMaui County
StateHawaii
Coordinates20.88785, -156.21347
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating16.8 US tons
Inventory rating13.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.3 m)
Longest span39 ft (11.9 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2017)
Projected traffic2,608 by 2025
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hana HWY over Kailua Strm built?

It was built in 1929, making it 96 years old in 2025.

What condition is Hana HWY over Kailua 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 May 2023.

How much traffic does Hana HWY over Kailua Strm carry?

About 4,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Hana HWY over Kailua Strm?

The structure is 40 ft (12.3 m) long with a longest span of 39 ft (11.9 m) and a deck 22 ft wide.

Who owns Hana HWY over Kailua Strm?

It is owned by the State Highway Agency.