US Bridges

Heahea Street over Palai Stream

Good

Hawaii County, Hawaii · Tmk: 2-4-016:034 · Structure no. 001240021100009

Built
1993
32 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
5,999
2023 count
Owner
County
County Highway Agency

About this bridge

Heahea Street over Palai Stream is a concrete culvert carrying Heahea Street over Palai Stream in Hawaii County, Hawaii. It was built in 1993, so it is 32 years old, younger than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,999 vehicles a day, projected to reach 7,999 by 2042. The structure is 25 ft (7.5 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHeahea Street
CrossesPalai Stream
LocationTmk: 2-4-016:034
RouteCity Street 0_
StateHawaii
Coordinates19.67694, -155.0825
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width50 ft (15.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,999 (2023)
Projected traffic7,999 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Heahea Street over Palai Stream built?

It was built in 1993, making it 32 years old in 2025.

What condition is Heahea Street over Palai Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Heahea Street over Palai Stream carry?

About 5,999 vehicles per day (2023 count).

How long is Heahea Street over Palai Stream?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 50 ft wide.

Who owns Heahea Street over Palai Stream?

It is owned by the County Highway Agency.