Structure 3008360800242 · Honolulu County, HI

Kam HWY over Heeia Strm

Carries Kam HWY over Heeia Strm, 0.39mi S/ulumau Village.

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 overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT892 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

892 ft end to end, longest span 17 ft: about 2.5 football fields. 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 tee-beam bridge.

Built1921105 years old
Length892.1 ft271.9 m
Daily traffic4,850counted 1981
Last inspectedAugust 2023every 24 months

Location

StateHawaii
CountyHonolulu
Location0.39mi S/ulumau Village
CarriesKam HWY
CrossesHeeia Strm
Coordinates21.43658, -157.81144

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length892.1 ft (271.9 m)
Max Span17.1 ft (5.2 m)
Deck Width24.9 ft (7.6 m)
Deck Area2066.4 sq m
Main Spans52
Year Built1921

Traffic

Avg Daily Traffic4,850 (1981)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical3 — Scour critical
Structure Number003008360800242

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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