Structure 7005600500397 · Kauai County, HI

Kuhio HWY over Waipa Stream

Carries Kuhio HWY over Waipa Stream, 0.49mi Nw/kumu RD.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT142 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

142 ft end to end, longest span 51 ft. Lengths and the semi-truck 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 bridge of this kind.

Built20197 years old
Length142.1 ft43.3 m
Daily traffic3,300counted 2017
Last inspectedMarch 2024every 24 months

Location

StateHawaii
CountyKauai
Location0.49mi Nw/kumu RD
CarriesKuhio HWY
CrossesWaipa Stream
Coordinates22.20384, -159.51404

Physical Characteristics

MaterialConcrete
DesignOther
Total Length142.1 ft (43.3 m)
Max Span50.9 ft (15.5 m)
Deck Width21.0 ft (6.4 m)
Deck Area277.1 sq m
Main Spans3
Year Built2019

Traffic

Avg Daily Traffic3,300 (2017)
Truck Traffic1%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number007005600500397

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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