US Bridges

Ramp G FAI-H1(W.B) over Nimitz HWY Moanalua Stm

Good

Honolulu County, Hawaii · 400 West of Moanalua Stm · Structure no. 003000H10201808

Built
1984
41 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,343 ft
22 main spans
Daily traffic
67,900
2017 count
Owner
State
State Highway Agency

About this bridge

Ramp G FAI-H1(W.B) over Nimitz HWY Moanalua Stm is a prestressed concrete stringer/multi-beam or girder carrying Ramp G FAI-H1(W.B) over Nimitz HWY Moanalua Stm in Honolulu County, Hawaii. It was built in 1984, so it is 41 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 1,343 ft (409.3 m) long and 28 ft wide.

CarriesRamp G FAI-H1(W.B)
CrossesNimitz HWY Moanalua Stm
Location400 West of Moanalua Stm
RouteInterstate 0H1
StateHawaii
Coordinates21.33476, -157.89023
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
Deck8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans22
Design loadHS 20
Structure length1,343 ft (409.3 m)
Longest span87 ft (26.5 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic67,900 (2017)
Projected traffic80,585 by 2025
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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$4.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp G FAI-H1(W.B) over Nimitz HWY Moanalua Stm built?

It was built in 1984, making it 41 years old in 2025.

What condition is Ramp G FAI-H1(W.B) over Nimitz HWY Moanalua Stm 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 Ramp G FAI-H1(W.B) over Nimitz HWY Moanalua Stm carry?

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

How long is Ramp G FAI-H1(W.B) over Nimitz HWY Moanalua Stm?

The structure is 1,343 ft (409.3 m) long with a longest span of 87 ft (26.5 m) and a deck 28 ft wide.

Who owns Ramp G FAI-H1(W.B) over Nimitz HWY Moanalua Stm?

It is owned by the State Highway Agency.