US Bridges

Hnlmaintbsydbxculv over Keehi Drainage Ditch

FairPosted for load

Honolulu County, Hawaii · .3 MI West of Lagoon DR · Structure no. 003000000304087

Built
1961
64 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
40 ft
4 main spans
Daily traffic
1,999
2020 count
Owner
State
State Highway Agency

About this bridge

Hnlmaintbsydbxculv over Keehi Drainage Ditch is a concrete continuous culvert carrying Hnlmaintbsydbxculv over Keehi Drainage Ditch in Honolulu County, Hawaii. It was built in 1961, so it is 64 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,999 vehicles a day, projected to reach 2,999 by 2040. The structure is 40 ft (12.2 m) long and 28 ft wide.

Location

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CarriesHnlmaintbsydbxculv
CrossesKeehi Drainage Ditch
Location.3 MI West of Lagoon DR
RouteState Lands Road 0_
CountyHonolulu County
StateHawaii
Coordinates21.33206, -157.90567
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24.3 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span10 ft (2.9 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic1,999 (2020)
Projected traffic2,999 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hnlmaintbsydbxculv over Keehi Drainage Ditch built?

It was built in 1961, making it 64 years old in 2025.

What condition is Hnlmaintbsydbxculv over Keehi Drainage Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Hnlmaintbsydbxculv over Keehi Drainage Ditch carry?

About 1,999 vehicles per day (2020 count).

How long is Hnlmaintbsydbxculv over Keehi Drainage Ditch?

The structure is 40 ft (12.2 m) long with a longest span of 10 ft (2.9 m) and a deck 28 ft wide.

Who owns Hnlmaintbsydbxculv over Keehi Drainage Ditch?

It is owned by the State Highway Agency.