Structure 3000920400617 · Honolulu County, HI

Nimitz HWY over Slip Cover #4 Hon Hbr

Carries Nimitz HWY over Slip Cover #4 Hon Hbr, 0.36mi E/awa ST.

Overall conditionPoor

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

How ratings work
Deck4/9 · Poor
Superstructuresets the rating3/9 · Serious
Substructure4/9 · Poor
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT61 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 3/9 · sets the ratingSubstructure 4/9

61 ft end to end, longest span 19 ft. Lengths and the car 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 slab bridge.

Built195274 years old
Length61.0 ft18.6 m
Daily traffic57,600counted 2017
Last inspectedJanuary 2024every 24 months

Location

StateHawaii
CountyHonolulu
Location0.36mi E/awa ST
CarriesNimitz HWY
CrossesSlip Cover #4 Hon Hbr
Coordinates21.30915, -157.86435

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length61.0 ft (18.6 m)
Max Span19.0 ft (5.8 m)
Deck Width66.9 ft (20.4 m)
Deck Area379.4 sq m
Main Spans3
Year Built1952

Traffic

Avg Daily Traffic57,600 (2017)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number003000920400617

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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