US Bridges

Hana HWY over Kaaiea Strm

PoorPosted for load

Maui County, Hawaii · 3.56MI W/Kaumahina Pk RD · Structure no. 009003600500858

Built
1928
97 years old
Condition
Poor
inspected June 2023
Type
Tee Beam
Concrete
Length
22 ft
1 main span
Daily traffic
1,800
2017 count
Owner
State
State Highway Agency

About this bridge

Hana HWY over Kaaiea Strm is a concrete tee beam carrying Hana HWY over Kaaiea Strm in Maui County, Hawaii. It was built in 1928, so it is 97 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 1,800 vehicles a day, roughly 1% of them trucks, projected to reach 1,754 by 2025. The structure is 22 ft (6.7 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHana HWY
CrossesKaaiea Strm
Location3.56MI W/Kaumahina Pk RD
RouteU.S. Route 360
StateHawaii
Coordinates20.87836, -156.19537
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating15.3 US tons
Inventory rating11.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2017)
Projected traffic1,754 by 2025
Trucks1%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hana HWY over Kaaiea Strm built?

It was built in 1928, making it 97 years old in 2025.

What condition is Hana HWY over Kaaiea 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 June 2023.

How much traffic does Hana HWY over Kaaiea Strm carry?

About 1,800 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Hana HWY over Kaaiea Strm?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 18 ft wide.

Who owns Hana HWY over Kaaiea Strm?

It is owned by the State Highway Agency.