US Bridges

Ramp 78EB 1A over Halawa Strm Hic Struc #9

Good

Honolulu County, Hawaii · 0.02MI Se/Struct #3A · Structure no. 003000780400090

Built
1974
51 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
127 ft
2 main spans
Daily traffic
37,170
2007 count
Owner
State
State Highway Agency

About this bridge

Ramp 78EB 1A over Halawa Strm Hic Struc #9 is a prestressed concrete continuous stringer/multi-beam or girder carrying Ramp 78EB 1A over Halawa Strm Hic Struc #9 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 37,170 vehicles a day, projected to reach 44,528 by 2025. The structure is 127 ft (38.7 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp 78EB 1A
CrossesHalawa Strm Hic Struc #9
Location0.02MI Se/Struct #3A
RouteU.S. Route 78
StateHawaii
Coordinates21.36985, -157.92736
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating23 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span59 ft (18 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,170 (2007)
Projected traffic44,528 by 2025
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$900,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp 78EB 1A over Halawa Strm Hic Struc #9 built?

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

What condition is Ramp 78EB 1A over Halawa Strm Hic Struc #9 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 78EB 1A over Halawa Strm Hic Struc #9 carry?

About 37,170 vehicles per day (2007 count).

How long is Ramp 78EB 1A over Halawa Strm Hic Struc #9?

The structure is 127 ft (38.7 m) long with a longest span of 59 ft (18 m) and a deck 50 ft wide.

Who owns Ramp 78EB 1A over Halawa Strm Hic Struc #9?

It is owned by the State Highway Agency.