US Bridges

Halawa Ic Ramp G&h over Halawa Heights Stream

Poor

Honolulu County, Hawaii · Halawa Interchange · Structure no. 003000H10100033

Built
1971
54 years old
Condition
Poor
inspected October 2024
Type
Culvert
Steel
Length
106 ft
2 main spans
Daily traffic
58,709
2022 count
Owner
State
State Highway Agency

About this bridge

Halawa Ic Ramp G&h over Halawa Heights Stream is a steel culvert carrying Halawa Ic Ramp G&h over Halawa Heights Stream in Honolulu County, Hawaii. It was built in 1971, so it is 54 years old, younger than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 58,709 vehicles a day, roughly 9% of them trucks, projected to reach 66,564 by 2042. The structure is 106 ft (32.3 m) long and 74 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesHalawa Ic Ramp G&h
CrossesHalawa Heights Stream
LocationHalawa Interchange
RouteState Highway 0H1
CountyHonolulu County
StateHawaii
Coordinates21.37284, -157.92222
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Culvert2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length106 ft (32.3 m)
Longest span12 ft (3.7 m)
Deck width74 ft (22.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,709 (2022)
Projected traffic66,564 by 2042
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Halawa Ic Ramp G&h over Halawa Heights Stream built?

It was built in 1971, making it 54 years old in 2025.

What condition is Halawa Ic Ramp G&h over Halawa Heights Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Halawa Ic Ramp G&h over Halawa Heights Stream carry?

About 58,709 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Halawa Ic Ramp G&h over Halawa Heights Stream?

The structure is 106 ft (32.3 m) long with a longest span of 12 ft (3.7 m) and a deck 74 ft wide.

Who owns Halawa Ic Ramp G&h over Halawa Heights Stream?

It is owned by the State Highway Agency.