US Bridges

Hana HWY over Paihi Strm

Good

Maui County, Hawaii · 3.99MI S/Rd to Hamoa · Structure no. 009003600904494

Built
2009
16 years old
Condition
Good
inspected July 2023
Type
Girder and Floorbeam System
Concrete
Length
42 ft
1 main span
Daily traffic
775
1998 count
Owner
County
County Highway Agency

About this bridge

Hana HWY over Paihi Strm is a concrete girder and floorbeam system carrying Hana HWY over Paihi Strm in Maui County, Hawaii. It was built in 2009, so it is 16 years old, younger 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 775 vehicles a day, projected to reach 969 by 2025. The structure is 42 ft (12.8 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesHana HWY
CrossesPaihi Strm
Location3.99MI S/Rd to Hamoa
RouteCounty Highway 36
CountyMaui County
StateHawaii
Coordinates20.68357, -156.02634
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length42 ft (12.8 m)
Longest span36 ft (11 m)
Deck width18 ft (5.4 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (1998)
Projected traffic969 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$236,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hana HWY over Paihi Strm built?

It was built in 2009, making it 16 years old in 2025.

What condition is Hana HWY over Paihi 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 July 2023.

How much traffic does Hana HWY over Paihi Strm carry?

About 775 vehicles per day (1998 count).

How long is Hana HWY over Paihi Strm?

The structure is 42 ft (12.8 m) long with a longest span of 36 ft (11 m) and a deck 18 ft wide.

Who owns Hana HWY over Paihi Strm?

It is owned by the County Highway Agency.