US Bridges

Plantation Road over Kipapa Stream

FairClosed to traffic

Honolulu County, Hawaii · Near Ammo Storage Gate · Structure no. DAPPACKIP000055

Built
1923
102 years old
Condition
Fair
inspected March 2019
Type
Tee Beam
Concrete
Length
62 ft
1 main span
Daily traffic
2
2015 count
Owner
Federal
Army

About this bridge

Plantation Road over Kipapa Stream is a concrete tee beam carrying Plantation Road over Kipapa Stream in Honolulu County, Hawaii. It was built in 1923, so it is 102 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: closed to all traffic.

It carries about 2 vehicles a day, projected to reach 8 by 2041. The structure is 62 ft (18.9 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPlantation Road
CrossesKipapa Stream
LocationNear Ammo Storage Gate
CountyHonolulu County
StateHawaii
Coordinates21.44118, -158.0046
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2019
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2015)
Projected traffic8 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Plantation Road over Kipapa Stream built?

It was built in 1923, making it 102 years old in 2025.

What condition is Plantation Road over Kipapa 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 Plantation Road over Kipapa Stream carry?

About 2 vehicles per day (2015 count).

How long is Plantation Road over Kipapa Stream?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns Plantation Road over Kipapa Stream?

It is owned by the Army.