US Bridges

Hana HWY over Alaalaula Strm

PoorPosted for load

Maui County, Hawaii · 3.14MI S/Rd to Hamoa · Structure no. 009003600904579

Built
1915
110 years old, rebuilt 2000
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
649
1981 count
Owner
County
County Highway Agency

About this bridge

Hana HWY over Alaalaula Strm is a concrete tee beam carrying Hana HWY over Alaalaula Strm in Maui County, Hawaii. It was built in 1915 and reconstructed in 2000, 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 4 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 649 vehicles a day, projected to reach 811 by 2025. The structure is 32 ft (9.8 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHana HWY
CrossesAlaalaula Strm
Location3.14MI S/Rd to Hamoa
RouteCounty Highway 360
StateHawaii
Coordinates20.68735, -156.01895
Functional classRural Minor Arterial

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating12.1 US tons
Inventory rating7.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width14 ft (4.4 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic649 (1981)
Projected traffic811 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
Strategic Highway NetworkInterstate STRAHNET route

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$282,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hana HWY over Alaalaula Strm built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 2000.

What condition is Hana HWY over Alaalaula 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 July 2024.

How much traffic does Hana HWY over Alaalaula Strm carry?

About 649 vehicles per day (1981 count).

How long is Hana HWY over Alaalaula Strm?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 14 ft wide.

Who owns Hana HWY over Alaalaula Strm?

It is owned by the County Highway Agency.