US Bridges

Old Farrington HWY over Awawanui Stream

Fair

Honolulu County, Hawaii · .83 MI W Kalaeloa Blvd · Structure no. 003000930300071

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

About this bridge

Old Farrington HWY over Awawanui Stream is a concrete slab carrying Old Farrington HWY over Awawanui 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 fair condition with a lowest component rating of 5 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 52,300 vehicles a day, roughly 3% of them trucks, projected to reach 54,170 by 2025. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Farrington HWY
CrossesAwawanui Stream
Location.83 MI W Kalaeloa Blvd
RouteU.S. Route 93
StateHawaii
Coordinates21.3404, -158.09887
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation7: Better than 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 rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 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 Awawanui Stream built?

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

What condition is Old Farrington HWY over Awawanui Stream 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 March 2024.

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

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

How long is Old Farrington HWY over Awawanui Stream?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Old Farrington HWY over Awawanui Stream?

It is owned by the State Highway Agency.