Structure 9003600502339 · Maui County, HI

Hana HWY over Kapaula Stream

Carries Hana HWY over Kapaula Stream, 1.64mi W/lower Nahiku RD.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT49 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

49 ft end to end, longest span 24 ft. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a tee-beam bridge.

Built1926100 years old
Length48.9 ft14.9 m
Daily traffic1,800counted 2017
Last inspectedNovember 2023every 24 months

Location

StateHawaii
CountyMaui
Location1.64mi W/lower Nahiku RD
CarriesHana HWY
CrossesKapaula Stream
Coordinates20.81131, -156.11470

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length48.9 ft (14.9 m)
Max Span24.0 ft (7.3 m)
Deck Width18.0 ft (5.5 m)
Deck Area82.0 sq m
Main Spans2
Year Built1926

Traffic

Avg Daily Traffic1,800 (2017)
Truck Traffic1%
Lanes On Bridge1

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number009003600502339

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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