Structure 1000110300169 · Hawaii County, HI

Route 11 over Unmd Glh

Carries Route 11 over Unmd Glh, 1.94mi S/palani RD.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT72 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 72 ft across with 5 openings. 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, so those are drawn as typical for a culvert.

Built198442 years old
Length71.9 ft21.9 m
Daily traffic25,900counted 2019
Last inspectedJuly 2023every 24 months

Location

StateHawaii
CountyHawaii
Location1.94mi S/palani RD
CarriesRoute 11
CrossesUnmd Glh
Coordinates19.62640, -155.97379

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length71.9 ft (21.9 m)
Max Span13.1 ft (4 m)
Deck Area374.5 sq m
Main Spans5
Year Built1984

Traffic

Avg Daily Traffic25,900 (2019)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number001000110300169

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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