US Bridges

Hana HWY over Nailiilihaele Strm

PoorPosted for load

Maui County, Hawaii · 5.90MI W/Kaumahina Pk RD · Structure no. 009003600500624

Built
1930
95 years old
Condition
Poor
inspected May 2023
Type
Tee Beam
Concrete Continuous
Length
64 ft
3 main spans
Daily traffic
1,800
2017 count
Owner
State
State Highway Agency

About this bridge

Hana HWY over Nailiilihaele Strm is a concrete continuous tee beam carrying Hana HWY over Nailiilihaele Strm in Maui County, Hawaii. It was built in 1930, so it is 95 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 2,608 by 2025. The structure is 64 ft (19.6 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHana HWY
CrossesNailiilihaele Strm
Location5.90MI W/Kaumahina Pk RD
RouteU.S. Route 360
StateHawaii
Coordinates20.88684, -156.21019
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMay 2023
Inspection intervalevery 24 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length64 ft (19.6 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2017)
Projected traffic2,608 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$2.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hana HWY over Nailiilihaele Strm built?

It was built in 1930, making it 95 years old in 2025.

What condition is Hana HWY over Nailiilihaele 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 May 2023.

How much traffic does Hana HWY over Nailiilihaele Strm carry?

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

How long is Hana HWY over Nailiilihaele Strm?

The structure is 64 ft (19.6 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns Hana HWY over Nailiilihaele Strm?

It is owned by the State Highway Agency.