US Bridges

L. Honoapiilani RD over Mahinahina Strm

Fair

Maui County, Hawaii · 1.002MI N/Honpiilani HWY · Structure no. 009030801100002

Built
1992
33 years old
Condition
Fair
inspected January 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
8,946
1991 count
Owner
County
County Highway Agency

About this bridge

L. Honoapiilani RD over Mahinahina Strm is a prestressed concrete slab carrying L. Honoapiilani RD over Mahinahina Strm in Maui County, Hawaii. It was built in 1992, so it is 33 years old, younger than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,946 vehicles a day, projected to reach 11,183 by 2025. The structure is 28 ft (8.4 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesL. Honoapiilani RD
CrossesMahinahina Strm
Location1.002MI N/Honpiilani HWY
RouteCounty Highway 3080
StateHawaii
Coordinates20.95941, -156.68366
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating96.8 US tons
Inventory rating80.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span24 ft (7.3 m)
Deck width46 ft (14.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,946 (1991)
Projected traffic11,183 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was L. Honoapiilani RD over Mahinahina Strm built?

It was built in 1992, making it 33 years old in 2025.

What condition is L. Honoapiilani RD over Mahinahina Strm in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does L. Honoapiilani RD over Mahinahina Strm carry?

About 8,946 vehicles per day (1991 count).

How long is L. Honoapiilani RD over Mahinahina Strm?

The structure is 28 ft (8.4 m) long with a longest span of 24 ft (7.3 m) and a deck 46 ft wide.

Who owns L. Honoapiilani RD over Mahinahina Strm?

It is owned by the County Highway Agency.