US Bridges

H.O.V.Ramp H1(E.B) over Moanalua Stream

Good

Honolulu County, Hawaii · 450S Kakoi ST · Structure no. 003000H10201805

Built
1981
44 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,344 ft
15 main spans
Daily traffic
67,900
2017 count
Owner
State
State Highway Agency

About this bridge

H.O.V.Ramp H1(E.B) over Moanalua Stream is a prestressed concrete stringer/multi-beam or girder carrying H.O.V.Ramp H1(E.B) over Moanalua Stream 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 67,900 vehicles a day, roughly 2% of them trucks, projected to reach 80,585 by 2025. The structure is 1,344 ft (409.7 m) long and 24 ft wide.

CarriesH.O.V.Ramp H1(E.B)
CrossesMoanalua Stream
Location450S Kakoi ST
RouteInterstate 0H1
StateHawaii
Coordinates21.33362, -157.89197
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length1,344 ft (409.7 m)
Longest span100 ft (30.5 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic67,900 (2017)
Projected traffic80,585 by 2025
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was H.O.V.Ramp H1(E.B) over Moanalua Stream built?

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

What condition is H.O.V.Ramp H1(E.B) over Moanalua Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does H.O.V.Ramp H1(E.B) over Moanalua Stream carry?

About 67,900 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is H.O.V.Ramp H1(E.B) over Moanalua Stream?

The structure is 1,344 ft (409.7 m) long with a longest span of 100 ft (30.5 m) and a deck 24 ft wide.

Who owns H.O.V.Ramp H1(E.B) over Moanalua Stream?

It is owned by the State Highway Agency.