US Bridges

Old Farrington HWY over Palailai Stream

Good

Honolulu County, Hawaii · .95 MI W Kalaeloa Blvd · Structure no. 003000930300083

Built
1927
98 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
52,300
2017 count
Owner
State
State Highway Agency

About this bridge

Old Farrington HWY over Palailai Stream is a concrete slab carrying Old Farrington HWY over Palailai Stream in Honolulu County, Hawaii. It was built in 1927, so it is 98 years old, older 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 52,300 vehicles a day, roughly 3% of them trucks, projected to reach 54,170 by 2025. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Farrington HWY
CrossesPalailai Stream
Location.95 MI W Kalaeloa Blvd
RouteU.S. Route 93
StateHawaii
Coordinates21.34091, -158.10089
Functional classRural Minor Arterial

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,300 (2017)
Projected traffic54,170 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Old Farrington HWY over Palailai Stream built?

It was built in 1927, making it 98 years old in 2025.

What condition is Old Farrington HWY over Palailai 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 March 2024.

How much traffic does Old Farrington HWY over Palailai Stream carry?

About 52,300 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Old Farrington HWY over Palailai Stream?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns Old Farrington HWY over Palailai Stream?

It is owned by the State Highway Agency.