US Bridges

Farr HWY over Kawaihapai Strm

Good

Honolulu County, Hawaii · 0.08MI N/Ext-Mokuleia B P · Structure no. 003009300501254

Built
1941
84 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
2,500
2017 count
Owner
State
State Highway Agency

About this bridge

Farr HWY over Kawaihapai Strm is a concrete slab carrying Farr HWY over Kawaihapai Strm in Honolulu County, Hawaii. It was built in 1941, so it is 84 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,500 vehicles a day, roughly 10% of them trucks, projected to reach 1,410 by 2025. The structure is 23 ft (7 m) long and 34 ft wide.

CarriesFarr HWY
CrossesKawaihapai Strm
Location0.08MI N/Ext-Mokuleia B P
RouteU.S. Route 930
StateHawaii
Coordinates21.58097, -158.19446
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2017)
Projected traffic1,410 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Kawaihapai Strm built?

It was built in 1941, making it 84 years old in 2025.

What condition is Farr HWY over Kawaihapai Strm in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Farr HWY over Kawaihapai Strm carry?

About 2,500 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Farr HWY over Kawaihapai Strm?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns Farr HWY over Kawaihapai Strm?

It is owned by the State Highway Agency.