US Bridges

Farr HWY over Farr Hwy/Palehua Strm

Poor

Honolulu County, Hawaii · TMK=9-1-16 · Structure no. 003902001100001

Built
1922
103 years old
Condition
Poor
inspected September 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
5,685
1983 count
Owner
County
County Highway Agency

About this bridge

Farr HWY over Farr Hwy/Palehua Strm is a concrete slab carrying Farr HWY over Farr Hwy/Palehua Strm in Honolulu County, Hawaii. It was built in 1922, so it is 103 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,685 vehicles a day, projected to reach 7,106 by 2025. The structure is 23 ft (7 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesFarr HWY
CrossesFarr Hwy/Palehua Strm
LocationTMK=9-1-16
RouteCity Street 9107
CountyHonolulu County
StateHawaii
Coordinates21.35204, -158.06317
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,685 (1983)
Projected traffic7,106 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$157,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Farr HWY over Farr Hwy/Palehua Strm built?

It was built in 1922, making it 103 years old in 2025.

What condition is Farr HWY over Farr Hwy/Palehua Strm in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Farr HWY over Farr Hwy/Palehua Strm carry?

About 5,685 vehicles per day (1983 count).

How long is Farr HWY over Farr Hwy/Palehua Strm?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Farr HWY over Farr Hwy/Palehua Strm?

It is owned by the County Highway Agency.