US Bridges

Farr HWY over Kaupuni Strm

Poor

Honolulu County, Hawaii · 0.04MI W/Kaupuni ST · Structure no. 003000930301128

Built
1937
88 years old, rebuilt 1965
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
18,800
2017 count
Owner
State
State Highway Agency

About this bridge

Farr HWY over Kaupuni Strm is a concrete continuous tee beam carrying Farr HWY over Kaupuni Strm in Honolulu County, Hawaii. It was built in 1937 and reconstructed in 1965, so it is 88 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 3 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 18,800 vehicles a day, roughly 2% of them trucks, projected to reach 35,750 by 2025. The structure is 147 ft (44.8 m) long and 67 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFarr HWY
CrossesKaupuni Strm
Location0.04MI W/Kaupuni ST
RouteU.S. Route 93
StateHawaii
Coordinates21.44882, -158.19004
Functional classUrban Other Principal Arterial

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span49 ft (14.9 m)
Deck width67 ft (20.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2017)
Projected traffic35,750 by 2025
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Farr HWY over Kaupuni Strm built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1965.

What condition is Farr HWY over Kaupuni 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 April 2024.

How much traffic does Farr HWY over Kaupuni Strm carry?

About 18,800 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Farr HWY over Kaupuni Strm?

The structure is 147 ft (44.8 m) long with a longest span of 49 ft (14.9 m) and a deck 67 ft wide.

Who owns Farr HWY over Kaupuni Strm?

It is owned by the State Highway Agency.