US Bridges

Ramp "nw" over FAI-H1-PH Int #6

Fair

Honolulu County, Hawaii · 0.67MI S/Plt DR Sep · Structure no. 003000H11201552

Built
1974
51 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
870 ft
8 main spans
Daily traffic
28,000
2007 count
Owner
State
State Highway Agency

About this bridge

Ramp "nw" over FAI-H1-PH Int #6 is a prestressed concrete continuous box beam or girders - multiple carrying Ramp "nw" over FAI-H1-PH Int #6 in Honolulu County, Hawaii. It was built in 1974, so it is 51 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.

It carries about 28,000 vehicles a day, projected to reach 135,325 by 2025. The structure is 870 ft (265.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp "nw"
CrossesFAI-H1-PH Int #6
Location0.67MI S/Plt DR Sep
RouteCity Street 0
CountyHonolulu County
StateHawaii
Coordinates21.34319, -157.93202
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length870 ft (265.2 m)
Longest span146 ft (44.5 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,000 (2007)
Projected traffic135,325 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
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 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp "nw" over FAI-H1-PH Int #6 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Ramp "nw" over FAI-H1-PH Int #6 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 July 2023.

How much traffic does Ramp "nw" over FAI-H1-PH Int #6 carry?

About 28,000 vehicles per day (2007 count).

How long is Ramp "nw" over FAI-H1-PH Int #6?

The structure is 870 ft (265.2 m) long with a longest span of 146 ft (44.5 m) and a deck 43 ft wide.

Who owns Ramp "nw" over FAI-H1-PH Int #6?

It is owned by the State Highway Agency.