Structure 1000190308146 · Hawaii County, HI

Hawaii Belt RD over Nanue Strm

Carries Hawaii Belt RD over Nanue Strm, 1.66mi W/kauniho RD.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 3 of 9.

How ratings work
Deck7/9 · Good
Superstructure5/9 · Fair
Substructuresets the rating3/9 · Serious
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT531 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9Substructure 3/9 · sets the rating

531 ft end to end, longest span 72 ft: about 7 semi-trucks nose to tail. 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 multi-beam bridge.

Built195274 years old
Length531.2 ft161.9 m
Daily traffic6,700counted 2019
Last inspectedFebruary 2024every 24 months

Location

StateHawaii
CountyHawaii
Location1.66mi W/kauniho RD
CarriesHawaii Belt RD
CrossesNanue Strm
Coordinates19.92731, -155.15626

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length531.2 ft (161.9 m)
Max Span71.9 ft (21.9 m)
Deck Width38.4 ft (11.7 m)
Deck Area1894.2 sq m
Main Spans10
Year Built1952

Traffic

Avg Daily Traffic6,700 (2019)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number001000190308146

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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