US Bridges

Honokaa-Waipio RD over Waiulili Strm

Fair

Hawaii County, Hawaii · 4-8-008:021 · Structure no. 001002400500044

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Girder and Floorbeam System
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
710
2016 count
Owner
County
County Highway Agency

About this bridge

Honokaa-Waipio RD over Waiulili Strm is a prestressed concrete girder and floorbeam system carrying Honokaa-Waipio RD over Waiulili Strm in Hawaii County, Hawaii. It was built in 1979, so it is 46 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 710 vehicles a day, roughly 1% of them trucks, projected to reach 1,188 by 2042. The structure is 105 ft (32.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHonokaa-Waipio RD
CrossesWaiulili Strm
Location4-8-008:021
RouteCounty Highway 240
StateHawaii
Coordinates20.11566, -155.57797
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length105 ft (32.1 m)
Longest span100 ft (30.5 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2016)
Projected traffic1,188 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$258,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Honokaa-Waipio RD over Waiulili Strm built?

It was built in 1979, making it 46 years old in 2025.

What condition is Honokaa-Waipio RD over Waiulili 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 Waiulili Strm carry?

About 710 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Honokaa-Waipio RD over Waiulili Strm?

The structure is 105 ft (32.1 m) long with a longest span of 100 ft (30.5 m) and a deck 39 ft wide.

Who owns Honokaa-Waipio RD over Waiulili Strm?

It is owned by the County Highway Agency.