US Bridges

FAI-H1 over Palehua Sep Ib

Good

Honolulu County, Hawaii · 2.03MI E/Makakilo DR · Structure no. 003000H10100316

Built
1966
59 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
92,800
2017 count
Owner
State
State Highway Agency

About this bridge

FAI-H1 over Palehua Sep Ib is a prestressed concrete slab carrying FAI-H1 over Palehua Sep Ib in Honolulu County, Hawaii. It was built in 1966, so it is 59 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 92,800 vehicles a day, roughly 5% of them trucks, projected to reach 91,105 by 2025. The structure is 35 ft (10.7 m) long and 56 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFAI-H1
CrossesPalehua Sep Ib
Location2.03MI E/Makakilo DR
RouteInterstate 0H1
StateHawaii
Coordinates21.3659, -158.06056
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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span31 ft (9.5 m)
Deck width56 ft (17 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,800 (2017)
Projected traffic91,105 by 2025
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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$279,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAI-H1 over Palehua Sep Ib built?

It was built in 1966, making it 59 years old in 2025.

What condition is FAI-H1 over Palehua Sep Ib 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 2024.

How much traffic does FAI-H1 over Palehua Sep Ib carry?

About 92,800 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is FAI-H1 over Palehua Sep Ib?

The structure is 35 ft (10.7 m) long with a longest span of 31 ft (9.5 m) and a deck 56 ft wide.

Who owns FAI-H1 over Palehua Sep Ib?

It is owned by the State Highway Agency.