US Bridges

Honokaa-Waipio RD over Kawaikalia Strm

Fair

Hawaii County, Hawaii · 4-7-001:020 · Structure no. 001002400500410

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Girder and Floorbeam System
Prestressed Concrete
Length
206 ft
3 main spans
Daily traffic
1,400
2016 count
Owner
County
County Highway Agency

About this bridge

Honokaa-Waipio RD over Kawaikalia Strm is a prestressed concrete girder and floorbeam system carrying Honokaa-Waipio RD over Kawaikalia Strm in Hawaii County, Hawaii. It was built in 1967, so it is 58 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 1,400 vehicles a day, roughly 2% of them trucks, projected to reach 2,343 by 2042. The structure is 206 ft (62.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHonokaa-Waipio RD
CrossesKawaikalia Strm
Location4-7-001:020
RouteCounty Highway 240
CountyHawaii County
StateHawaii
Coordinates20.10128, -155.52563
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46 US tons
Inventory rating30 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length206 ft (62.8 m)
Longest span67 ft (20.4 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2016)
Projected traffic2,343 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$390,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Honokaa-Waipio RD over Kawaikalia Strm built?

It was built in 1967, making it 58 years old in 2025.

What condition is Honokaa-Waipio RD over Kawaikalia 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 August 2024.

How much traffic does Honokaa-Waipio RD over Kawaikalia Strm carry?

About 1,400 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Honokaa-Waipio RD over Kawaikalia Strm?

The structure is 206 ft (62.8 m) long with a longest span of 67 ft (20.4 m) and a deck 34 ft wide.

Who owns Honokaa-Waipio RD over Kawaikalia Strm?

It is owned by the County Highway Agency.