US Bridges

Hana HWY over Wailele Strm

FairPosted for load

Maui County, Hawaii · 5.35MI S/Rd to Hamoa · Structure no. 009003600904358

Built
1910
115 years old
Condition
Fair
inspected January 2024
Type
Arch - Deck
Masonry
Length
20 ft
1 main span
Daily traffic
450
1998 count
Owner
County
County Highway Agency

About this bridge

Hana HWY over Wailele Strm is a masonry arch - deck carrying Hana HWY over Wailele Strm in Maui County, Hawaii. It was built in 1910, so it is 115 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 450 vehicles a day, projected to reach 563 by 2025. The structure is 20 ft (6.2 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesHana HWY
CrossesWailele Strm
Location5.35MI S/Rd to Hamoa
RouteCounty Highway 360
CountyMaui County
StateHawaii
Coordinates20.6753, -156.03607
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating6.1 US tons
Inventory rating4.4 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (1998)
Projected traffic563 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$170,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hana HWY over Wailele Strm built?

It was built in 1910, making it 115 years old in 2025.

What condition is Hana HWY over Wailele 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 January 2024.

How much traffic does Hana HWY over Wailele Strm carry?

About 450 vehicles per day (1998 count).

How long is Hana HWY over Wailele Strm?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m) and a deck 14 ft wide.

Who owns Hana HWY over Wailele Strm?

It is owned by the County Highway Agency.