Structure 3000H10400875 · Honolulu County, HI

Farr HWY over Waiawa Ic #3a Fai-h1

Carries Farr HWY over Waiawa Ic #3a Fai-h1, 0.58mi E/waipahu ST Sep.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT527 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

527 ft end to end, longest span 120 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 box-beam bridge.

Built196957 years old
Length526.9 ft160.6 m
Daily traffic19,300counted 2017
Last inspectedNovember 2024every 24 months

Location

StateHawaii
CountyHonolulu
Location0.58mi E/waipahu ST Sep
CarriesFarr HWY
CrossesWaiawa Ic #3a Fai-h1
Coordinates21.39609, -157.98459

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length526.9 ft (160.6 m)
Max Span120.1 ft (36.6 m)
Deck Width41.3 ft (12.6 m)
Deck Area2023.6 sq m
Main Spans5
Year Built1969

Traffic

Avg Daily Traffic19,300 (2017)
Truck Traffic3%
Lanes On Bridge3
Lanes Under Bridge9

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number003000H10400875

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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