US Bridges

Ramp H1EB 13AA over Hic Struct #3A

Good

Honolulu County, Hawaii · 0.02MI Nw/Struct #9 · Structure no. 003000H10201344

Built
1974
51 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
488 ft
6 main spans
Daily traffic
110,500
2017 count
Owner
State
State Highway Agency

About this bridge

Ramp H1EB 13AA over Hic Struct #3A is a concrete continuous box beam or girders - multiple carrying Ramp H1EB 13AA over Hic Struct #3A in Honolulu County, Hawaii. It was built in 1974, so it is 51 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 110,500 vehicles a day, roughly 4% of them trucks, projected to reach 166,683 by 2025. The structure is 488 ft (148.7 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp H1EB 13AA
CrossesHic Struct #3A
Location0.02MI Nw/Struct #9
RouteInterstate 0H1
StateHawaii
Coordinates21.3746, -157.9281
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.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating28.2 US tons
Inventory rating19.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length488 ft (148.7 m)
Longest span107 ft (32.6 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110,500 (2017)
Projected traffic166,683 by 2025
Trucks4%
Lanes on structure1
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp H1EB 13AA over Hic Struct #3A built?

It was built in 1974, making it 51 years old in 2025.

What condition is Ramp H1EB 13AA over Hic Struct #3A 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 March 2023.

How much traffic does Ramp H1EB 13AA over Hic Struct #3A carry?

About 110,500 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Ramp H1EB 13AA over Hic Struct #3A?

The structure is 488 ft (148.7 m) long with a longest span of 107 ft (32.6 m) and a deck 23 ft wide.

Who owns Ramp H1EB 13AA over Hic Struct #3A?

It is owned by the State Highway Agency.