US Bridges

Range Road over Drainage Kaukonahua Strm

Fair

Honolulu County, Hawaii · Between ERB8-ERB10 · Structure no. DAPPACSCH00B009

Built
1981
44 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
20
2015 count
Owner
Federal
Army

About this bridge

Range Road over Drainage Kaukonahua Strm is a steel stringer/multi-beam or girder carrying Range Road over Drainage Kaukonahua Strm in Honolulu County, Hawaii. It was built in 1981, so it is 44 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, roughly 40% of them trucks, projected to reach 20 by 2044. The structure is 56 ft (17.1 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRange Road
CrossesDrainage Kaukonahua Strm
LocationBetween ERB8-ERB10
StateHawaii
Coordinates21.49075, -157.9953
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating80.9 US tons
Inventory rating61.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span54 ft (16.6 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 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$53,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Range Road over Drainage Kaukonahua Strm built?

It was built in 1981, making it 44 years old in 2025.

What condition is Range Road over Drainage Kaukonahua Strm 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 August 2023.

How much traffic does Range Road over Drainage Kaukonahua Strm carry?

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

How long is Range Road over Drainage Kaukonahua Strm?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.6 m) and a deck 16 ft wide.

Who owns Range Road over Drainage Kaukonahua Strm?

It is owned by the Army.