US Bridges

Range Road over Kaukonahua Stream

PoorPosted for load

Honolulu County, Hawaii · North Side of Bldg 6038 · Structure no. DAPPACSCHB008

Built
1959
66 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
1 main span
Daily traffic
20
2015 count
Owner
Federal
Army

About this bridge

Range Road over Kaukonahua Stream is a steel stringer/multi-beam or girder carrying Range Road over Kaukonahua Stream in Honolulu County, Hawaii. It was built in 1959, so it is 66 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 40% of them trucks, projected to reach 30 by 2044. The structure is 162 ft (49.4 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRange Road
CrossesKaukonahua Stream
LocationNorth Side of Bldg 6038
CountyHonolulu County
StateHawaii
Coordinates21.4905, -158.0148
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length162 ft (49.4 m)
Longest span160 ft (48.8 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2015)
Projected traffic30 by 2044
Trucks40%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$54,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Range Road over Kaukonahua Stream built?

It was built in 1959, making it 66 years old in 2025.

What condition is Range Road over Kaukonahua Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Range Road over Kaukonahua Stream carry?

About 20 vehicles per day (2015 count), of which roughly 40% are trucks.

How long is Range Road over Kaukonahua Stream?

The structure is 162 ft (49.4 m) long with a longest span of 160 ft (48.8 m) and a deck 16 ft wide.

Who owns Range Road over Kaukonahua Stream?

It is owned by the Army.