US Bridges

Ramp SP over Ramp Gp

Fair

Honolulu County, Hawaii · Hnl Airport · Structure no. 0032110319U0003

Built
1994
31 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Concrete
Length
102 ft
3 main spans
Daily traffic
18,600
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp SP over Ramp Gp is a concrete box beam or girders - single or spread carrying Ramp SP over Ramp Gp in Honolulu County, Hawaii. It was built in 1994, so it is 31 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 18,600 vehicles a day, projected to reach 21,545 by 2042. The structure is 102 ft (31.1 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp SP
CrossesRamp Gp
LocationHnl Airport
CountyHonolulu County
StateHawaii
Coordinates21.33324, -157.92267
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating41.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span47 ft (14.4 m)
Deck width31 ft (9.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck7 ft (2.1 m)

Traffic and service

Average daily traffic18,600 (2023)
Projected traffic21,545 by 2042
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 SP over Ramp Gp built?

It was built in 1994, making it 31 years old in 2025.

What condition is Ramp SP over Ramp Gp 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 SP over Ramp Gp carry?

About 18,600 vehicles per day (2023 count).

How long is Ramp SP over Ramp Gp?

The structure is 102 ft (31.1 m) long with a longest span of 47 ft (14.4 m) and a deck 31 ft wide.

Who owns Ramp SP over Ramp Gp?

It is owned by the State Highway Agency.