US Bridges

Hawaii Belt RD over Hakalau Strm

Poor

Hawaii County, Hawaii · 0.98MI E/Kauniho RD · Structure no. 001000190308410

Built
1953
72 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
775 ft
14 main spans
Daily traffic
6,700
2019 count
Owner
State
State Highway Agency

About this bridge

Hawaii Belt RD over Hakalau Strm is a steel continuous stringer/multi-beam or girder carrying Hawaii Belt RD over Hakalau Strm in Hawaii County, Hawaii. It was built in 1953, so it is 72 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.

It carries about 6,700 vehicles a day, roughly 9% of them trucks, projected to reach 6,781 by 2025. The structure is 775 ft (236.3 m) long and 38 ft wide.

CarriesHawaii Belt RD
CrossesHakalau Strm
Location0.98MI E/Kauniho RD
RouteU.S. Route 19
StateHawaii
Coordinates19.89928, -155.12983
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans14
Design loadH 20
Structure length775 ft (236.3 m)
Longest span72 ft (21.9 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2019)
Projected traffic6,781 by 2025
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$21.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hawaii Belt RD over Hakalau Strm built?

It was built in 1953, making it 72 years old in 2025.

What condition is Hawaii Belt RD over Hakalau 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 March 2023.

How much traffic does Hawaii Belt RD over Hakalau Strm carry?

About 6,700 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Hawaii Belt RD over Hakalau Strm?

The structure is 775 ft (236.3 m) long with a longest span of 72 ft (21.9 m) and a deck 38 ft wide.

Who owns Hawaii Belt RD over Hakalau Strm?

It is owned by the State Highway Agency.