US Bridges

FAI-H1 over Kapakahi Strm

Good

Honolulu County, Hawaii · 0.71MI E/Waialae Ave Sep · Structure no. 003000H10202761

Built
1969
56 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
55,000
2017 count
Owner
State
State Highway Agency

About this bridge

FAI-H1 over Kapakahi Strm is a prestressed concrete stringer/multi-beam or girder carrying FAI-H1 over Kapakahi Strm in Honolulu County, Hawaii. It was built in 1969, so it is 56 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 55,000 vehicles a day, roughly 2% of them trucks, projected to reach 73,912 by 2025. The structure is 44 ft (13.4 m) long and 141 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAI-H1
CrossesKapakahi Strm
Location0.71MI E/Waialae Ave Sep
RouteInterstate 0H1
StateHawaii
Coordinates21.27801, -157.7809
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width141 ft (43 m)
Roadway width113 ft (34.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,000 (2017)
Projected traffic73,912 by 2025
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAI-H1 over Kapakahi Strm built?

It was built in 1969, making it 56 years old in 2025.

What condition is FAI-H1 over Kapakahi Strm 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 September 2024.

How much traffic does FAI-H1 over Kapakahi Strm carry?

About 55,000 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is FAI-H1 over Kapakahi Strm?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 141 ft wide.

Who owns FAI-H1 over Kapakahi Strm?

It is owned by the State Highway Agency.