US Bridges

Ramp Iw Aw over Paiea ST RAMPS/H1

Good

Honolulu County, Hawaii · Above Paiea ST Hon Hi · Structure no. 0032110314R0011

Built
1977
48 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
1,888 ft
18 main spans
Daily traffic
96,600
2017 count
Owner
State
State Highway Agency

About this bridge

Ramp Iw Aw over Paiea ST RAMPS/H1 is a concrete continuous box beam or girders - multiple carrying Ramp Iw Aw over Paiea ST RAMPS/H1 in Honolulu County, Hawaii. It was built in 1977, so it is 48 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 96,600 vehicles a day, roughly 4% of them trucks, projected to reach 96,600 by 2037. The structure is 1,888 ft (575.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp Iw Aw
CrossesPaiea ST RAMPS/H1
LocationAbove Paiea ST Hon Hi
RouteInterstate 0H1
StateHawaii
Coordinates21.33376, -157.91509
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating23.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadUnknown
Structure length1,888 ft (575.5 m)
Longest span168 ft (51.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,600 (2017)
Projected traffic96,600 by 2037
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp Iw Aw over Paiea ST RAMPS/H1 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ramp Iw Aw over Paiea ST RAMPS/H1 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 October 2024.

How much traffic does Ramp Iw Aw over Paiea ST RAMPS/H1 carry?

About 96,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Ramp Iw Aw over Paiea ST RAMPS/H1?

The structure is 1,888 ft (575.5 m) long with a longest span of 168 ft (51.2 m) and a deck 43 ft wide.

Who owns Ramp Iw Aw over Paiea ST RAMPS/H1?

It is owned by the State Highway Agency.