US Bridges

FAI-H1 over Waialae Nui Strm

Good

Honolulu County, Hawaii · 0.59MI E/Waialae Ave Sep · Structure no. 003000H10202750

Built
1968
57 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
55 ft
1 main span
Daily traffic
55,000
2017 count
Owner
State
State Highway Agency

About this bridge

FAI-H1 over Waialae Nui Strm is a concrete continuous slab carrying FAI-H1 over Waialae Nui Strm in Honolulu County, Hawaii. It was built in 1968, so it is 57 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 55 ft (16.8 m) long and 129 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAI-H1
CrossesWaialae Nui Strm
Location0.59MI E/Waialae Ave Sep
RouteInterstate 0H1
StateHawaii
Coordinates21.27797, -157.78255
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 protection8 Very GoodNo problems noted.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating55 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span50 ft (15.2 m)
Deck width129 ft (39.3 m)
Roadway width105 ft (32 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,000 (2017)
Projected traffic73,912 by 2025
Trucks2%
Lanes on structure10
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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FAI-H1 over Waialae Nui Strm built?

It was built in 1968, making it 57 years old in 2025.

What condition is FAI-H1 over Waialae Nui 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 Waialae Nui Strm carry?

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

How long is FAI-H1 over Waialae Nui Strm?

The structure is 55 ft (16.8 m) long with a longest span of 50 ft (15.2 m) and a deck 129 ft wide.

Who owns FAI-H1 over Waialae Nui Strm?

It is owned by the State Highway Agency.