US Bridges

Ramp WA/H1 over Airport Rams Ea Wa

Fair

Honolulu County, Hawaii · 0.5 MI N. of Airport · Structure no. 003H1WB1146W008

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
1,293 ft
15 main spans
Daily traffic
1,511
2018 count
Owner
State
State Highway Agency

About this bridge

Ramp WA/H1 over Airport Rams Ea Wa is a prestressed concrete box beam or girders - multiple carrying Ramp WA/H1 over Airport Rams Ea Wa in Honolulu County, Hawaii. It was built in 1978, so it is 47 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 1,511 vehicles a day, roughly 3% of them trucks, projected to reach 2,125 by 2038. The structure is 1,293 ft (394.1 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesRamp WA/H1
CrossesAirport Rams Ea Wa
Location0.5 MI N. of Airport
CountyHonolulu County
StateHawaii
Coordinates21.33567, -157.91919
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans15
Design loadUnknown
Structure length1,293 ft (394.1 m)
Longest span105 ft (31.9 m)
Deck width41 ft (12.6 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,511 (2018)
Projected traffic2,125 by 2038
Trucks3%
Lanes on structure2
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp WA/H1 over Airport Rams Ea Wa built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ramp WA/H1 over Airport Rams Ea Wa 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 February 2024.

How much traffic does Ramp WA/H1 over Airport Rams Ea Wa carry?

About 1,511 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Ramp WA/H1 over Airport Rams Ea Wa?

The structure is 1,293 ft (394.1 m) long with a longest span of 105 ft (31.9 m) and a deck 41 ft wide.

Who owns Ramp WA/H1 over Airport Rams Ea Wa?

It is owned by the State Highway Agency.