Structure 3000H10202514 · Honolulu County, HI

Ramp H1-i over Kap Off Ramp(hwy Up)

Carries Ramp H1-i over Kap Off Ramp(hwy Up), 0.11mi E/old Waialae RD.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,605 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

2,605 ft end to end, longest span 145 ft: about 7.2 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 box-beam bridge.

Built196957 years old
Length2605.0 ft794 m
Daily traffic—reported figure implausible
Last inspectedJuly 2023every 24 months

Location

StateHawaii
CountyHonolulu
Location0.11mi E/old Waialae RD
CarriesRamp H1-i
CrossesKap Off Ramp(hwy Up)
Coordinates21.28944, -157.81616

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length2605.0 ft (794 m)
Max Span145.0 ft (44.2 m)
Deck Width38.4 ft (11.7 m)
Deck Area9289.8 sq m
Main Spans15
Year Built1969

Traffic

Avg Daily Traffic112,200 (2017)
That is about 56,100 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number003000H10202514

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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