US Bridges

Ramp Ae over Nimitz HWY

Fair

Honolulu County, Hawaii · At Hnl Airport to H1 EB · Structure no. 003H1EB1146A003

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
1,376 ft
15 main spans
Daily traffic
4,600
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp Ae over Nimitz HWY is a concrete continuous box beam or girders - single or spread carrying Ramp Ae over Nimitz HWY in Honolulu County, Hawaii. It was built in 1980, so it is 45 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 4,600 vehicles a day, roughly 5% of them trucks, projected to reach 6,624 by 2042. The structure is 1,376 ft (419.3 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRamp Ae
CrossesNimitz HWY
LocationAt Hnl Airport to H1 EB
RouteInterstate 0H1
CountyHonolulu County
StateHawaii
Coordinates21.33642, -157.91458
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating34.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length1,376 ft (419.3 m)
Longest span107 ft (32.6 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2020)
Projected traffic6,624 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp Ae over Nimitz HWY built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ramp Ae over Nimitz HWY 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 October 2024.

How much traffic does Ramp Ae over Nimitz HWY carry?

About 4,600 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Ramp Ae over Nimitz HWY?

The structure is 1,376 ft (419.3 m) long with a longest span of 107 ft (32.6 m) and a deck 31 ft wide.

Who owns Ramp Ae over Nimitz HWY?

It is owned by the State Highway Agency.