US Bridges

Range Road over Kaukonahua Stream

FairClosed to traffic

Honolulu County, Hawaii · Tunnel Entrance · Structure no. DAPPACSCH00B005

Built
1986
39 years old
Condition
Fair
inspected March 2019
Type
Stringer/Multi-beam or Girder
Steel
Length
120 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 1986, so it is 39 years old, younger 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 6 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: closed to all traffic.

It carries about 20 vehicles a day, projected to reach 20 by 2041. The structure is 120 ft (36.6 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesRange Road
CrossesKaukonahua Stream
LocationTunnel Entrance
CountyHonolulu County
StateHawaii
Coordinates21.48834, -157.9856
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2019
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46.4 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span118 ft (36 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 traffic20 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$2,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Range Road over Kaukonahua Stream built?

It was built in 1986, making it 39 years old in 2025.

What condition is Range Road over Kaukonahua Stream 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 March 2019.

How much traffic does Range Road over Kaukonahua Stream carry?

About 20 vehicles per day (2015 count).

How long is Range Road over Kaukonahua Stream?

The structure is 120 ft (36.6 m) long with a longest span of 118 ft (36 m) and a deck 16 ft wide.

Who owns Range Road over Kaukonahua Stream?

It is owned by the Army.