US Bridges

FAI-H1 over Kapalama Canal

Fair

Honolulu County, Hawaii · 0.29MI E/Houghtailing ST · Structure no. 003000H10202077

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
130 ft
3 main spans
Daily traffic
196,900
2017 count
Owner
State
State Highway Agency

About this bridge

FAI-H1 over Kapalama Canal is a prestressed concrete stringer/multi-beam or girder carrying FAI-H1 over Kapalama Canal in Honolulu County, Hawaii. It was built in 1965, so it is 60 years old, younger than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 196,900 vehicles a day, roughly 2% of them trucks, projected to reach 264,410 by 2025. The structure is 130 ft (39.6 m) long and 131 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAI-H1
CrossesKapalama Canal
Location0.29MI E/Houghtailing ST
RouteInterstate 0H1
CountyHonolulu County
StateHawaii
Coordinates21.32658, -157.86749
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.7 US tons
Inventory rating58.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span49 ft (14.9 m)
Deck width131 ft (39.8 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196,900 (2017)
Projected traffic264,410 by 2025
Trucks2%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
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$2.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FAI-H1 over Kapalama Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is FAI-H1 over Kapalama Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does FAI-H1 over Kapalama Canal carry?

About 196,900 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is FAI-H1 over Kapalama Canal?

The structure is 130 ft (39.6 m) long with a longest span of 49 ft (14.9 m) and a deck 131 ft wide.

Who owns FAI-H1 over Kapalama Canal?

It is owned by the State Highway Agency.