US Bridges

Hana HWY over Kapia Strm

PoorPosted for load

Maui County, Hawaii · 0.29MI S/Rd to Hamoa · Structure no. 009003600904864

Built
1915
110 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Concrete
Length
59 ft
3 main spans
Daily traffic
775
1998 count
Owner
County
County Highway Agency

About this bridge

Hana HWY over Kapia Strm is a concrete stringer/multi-beam or girder carrying Hana HWY over Kapia Strm in Maui County, Hawaii. It was built in 1915, so it is 110 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. Its operating status is: posted for load restriction.

It carries about 775 vehicles a day, projected to reach 969 by 2025. The structure is 59 ft (18 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHana HWY
CrossesKapia Strm
Location0.29MI S/Rd to Hamoa
RouteCounty Highway 360
StateHawaii
Coordinates20.71308, -155.99295
Functional classRural Principal Arterial - Other

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
Deck7 GoodSome minor problems.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating15 US tons
Inventory rating11.5 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length59 ft (18 m)
Longest span19 ft (5.8 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$303,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hana HWY over Kapia Strm built?

It was built in 1915, making it 110 years old in 2025.

What condition is Hana HWY over Kapia Strm 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 January 2025.

How much traffic does Hana HWY over Kapia Strm carry?

About 775 vehicles per day (1998 count).

How long is Hana HWY over Kapia Strm?

The structure is 59 ft (18 m) long with a longest span of 19 ft (5.8 m) and a deck 16 ft wide.

Who owns Hana HWY over Kapia Strm?

It is owned by the County Highway Agency.