US Bridges

Farr HWY over Unmd Strm(makaha #2)

Fair

Honolulu County, Hawaii · 0.14MI W/Maiuu RD · Structure no. 003000930301253

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
58 ft
2 main spans
Daily traffic
18,700
2017 count
Owner
State
State Highway Agency

About this bridge

Farr HWY over Unmd Strm(makaha #2) is a prestressed concrete slab carrying Farr HWY over Unmd Strm(makaha #2) in Honolulu County, Hawaii. It was built in 1989, so it is 36 years old, younger 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 18,700 vehicles a day, roughly 5% of them trucks, projected to reach 19,959 by 2025. The structure is 58 ft (17.7 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFarr HWY
CrossesUnmd Strm(makaha #2)
Location0.14MI W/Maiuu RD
RouteU.S. Route 93
CountyHonolulu County
StateHawaii
Coordinates21.45953, -158.20531
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span28 ft (8.5 m)
Deck width82 ft (25 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,700 (2017)
Projected traffic19,959 by 2025
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Farr HWY over Unmd Strm(makaha #2) built?

It was built in 1989, making it 36 years old in 2025.

What condition is Farr HWY over Unmd Strm(makaha #2) 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 April 2024.

How much traffic does Farr HWY over Unmd Strm(makaha #2) carry?

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

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

The structure is 58 ft (17.7 m) long with a longest span of 28 ft (8.5 m) and a deck 82 ft wide.

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

It is owned by the State Highway Agency.