US Bridges

FAI-H1 over Nuuanu Stream

Good

Honolulu County, Hawaii · 0.03MI E/Aala ST Ext Sep · Structure no. 003000H10202161

Built
1964
61 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
186,900
2017 count
Owner
State
State Highway Agency

About this bridge

FAI-H1 over Nuuanu Stream is a concrete continuous slab carrying FAI-H1 over Nuuanu Stream in Honolulu County, Hawaii. It was built in 1964, so it is 61 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 186,900 vehicles a day, roughly 2% of them trucks, projected to reach 231,780 by 2025. The structure is 91 ft (27.7 m) long and 107 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAI-H1
CrossesNuuanu Stream
Location0.03MI E/Aala ST Ext Sep
RouteInterstate 0H1
StateHawaii
Coordinates21.31824, -157.85763
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.1 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span40 ft (12.2 m)
Deck width107 ft (32.5 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic186,900 (2017)
Projected traffic231,780 by 2025
Trucks2%
Lanes on structure6
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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FAI-H1 over Nuuanu Stream built?

It was built in 1964, making it 61 years old in 2025.

What condition is FAI-H1 over Nuuanu Stream 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 August 2023.

How much traffic does FAI-H1 over Nuuanu Stream carry?

About 186,900 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is FAI-H1 over Nuuanu Stream?

The structure is 91 ft (27.7 m) long with a longest span of 40 ft (12.2 m) and a deck 107 ft wide.

Who owns FAI-H1 over Nuuanu Stream?

It is owned by the State Highway Agency.