US Bridges

Hawaii Belt RD over Wailuku Strm

Fair

Hawaii County, Hawaii · 0.16MI W/Wainuenue ST · Structure no. 001000190409696

Built
1950
75 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
422 ft
5 main spans
Daily traffic
15,600
2019 count
Owner
State
State Highway Agency

About this bridge

Hawaii Belt RD over Wailuku Strm is a steel stringer/multi-beam or girder carrying Hawaii Belt RD over Wailuku Strm in Hawaii County, Hawaii. It was built in 1950, so it is 75 years old, older 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 5 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 15,600 vehicles a day, roughly 5% of them trucks, projected to reach 16,020 by 2025. The structure is 422 ft (128.7 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesHawaii Belt RD
CrossesWailuku Strm
Location0.16MI W/Wainuenue ST
RouteU.S. Route 19
CountyHawaii County
StateHawaii
Coordinates19.72826, -155.08748
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans5
Design loadH 20
Structure length422 ft (128.7 m)
Longest span134 ft (40.8 m)
Deck width38 ft (11.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,600 (2019)
Projected traffic16,020 by 2025
Trucks5%
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$2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hawaii Belt RD over Wailuku Strm built?

It was built in 1950, making it 75 years old in 2025.

What condition is Hawaii Belt RD over Wailuku 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 March 2024.

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

About 15,600 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Hawaii Belt RD over Wailuku Strm?

The structure is 422 ft (128.7 m) long with a longest span of 134 ft (40.8 m) and a deck 38 ft wide.

Who owns Hawaii Belt RD over Wailuku Strm?

It is owned by the State Highway Agency.