US Bridges

Farr HWY over Waiawa Strm(west Bn)

Fair

Honolulu County, Hawaii · 0.12MI E/Leeward Coll Acc · Structure no. 003000990401802

Built
1933
92 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
324 ft
6 main spans
Daily traffic
59,100
2017 count
Owner
State
State Highway Agency

About this bridge

Farr HWY over Waiawa Strm(west Bn) is a concrete continuous tee beam carrying Farr HWY over Waiawa Strm(west Bn) in Honolulu County, Hawaii. It was built in 1933, so it is 92 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 6 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 59,100 vehicles a day, roughly 3% of them trucks, projected to reach 52,385 by 2025. The structure is 324 ft (98.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFarr HWY
CrossesWaiawa Strm(west Bn)
Location0.12MI E/Leeward Coll Acc
RouteU.S. Route 99
CountyHonolulu County
StateHawaii
Coordinates21.39641, -157.9801
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length324 ft (98.8 m)
Longest span54 ft (16.5 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,100 (2017)
Projected traffic52,385 by 2025
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$8.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Farr HWY over Waiawa Strm(west Bn) built?

It was built in 1933, making it 92 years old in 2025.

What condition is Farr HWY over Waiawa Strm(west Bn) 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 December 2024.

How much traffic does Farr HWY over Waiawa Strm(west Bn) carry?

About 59,100 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Farr HWY over Waiawa Strm(west Bn)?

The structure is 324 ft (98.8 m) long with a longest span of 54 ft (16.5 m) and a deck 34 ft wide.

Who owns Farr HWY over Waiawa Strm(west Bn)?

It is owned by the State Highway Agency.