US Bridges

Farr HWY over Unmd Strm(makaha #2A)

Poor

Honolulu County, Hawaii · 0.03MI W/Orange ST · Structure no. 003000930301279

Built
1937
88 years old
Condition
Poor
inspected April 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
18,700
2017 count
Owner
State
State Highway Agency

About this bridge

Farr HWY over Unmd Strm(makaha #2A) is a concrete continuous culvert carrying Farr HWY over Unmd Strm(makaha #2A) in Honolulu County, Hawaii. It was built in 1937, 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 18,700 vehicles a day, roughly 5% of them trucks, projected to reach 19,959 by 2025. The structure is 24 ft (7.3 m) long and 41 ft wide.

CarriesFarr HWY
CrossesUnmd Strm(makaha #2A)
Location0.03MI W/Orange ST
RouteU.S. Route 93
StateHawaii
Coordinates21.46115, -158.20875
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
Channel and channel protection7 GoodSome minor problems.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width41 ft (12.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,700 (2017)
Projected traffic19,959 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 Farr HWY over Unmd Strm(makaha #2A) built?

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

What condition is Farr HWY over Unmd Strm(makaha #2A) 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 Unmd Strm(makaha #2A) carry?

About 18,700 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Farr HWY over Unmd Strm(makaha #2A)?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 41 ft wide.

Who owns Farr HWY over Unmd Strm(makaha #2A)?

It is owned by the State Highway Agency.