US Bridges

Honokaa-Waipio RD over Waikoekoe Gulch

Good

Hawaii County, Hawaii · Tmk: 4-8-006:069 · Structure no. 001002400500111

Built
1979
46 years old
Condition
Good
inspected August 2024
Type
Culvert
Steel
Length
49 ft
4 main spans
Daily traffic
710
2016 count
Owner
County
County Highway Agency

About this bridge

Honokaa-Waipio RD over Waikoekoe Gulch is a steel culvert carrying Honokaa-Waipio RD over Waikoekoe Gulch 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 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 710 vehicles a day, roughly 1% of them trucks, projected to reach 1,188 by 2042. The structure is 49 ft (14.9 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHonokaa-Waipio RD
CrossesWaikoekoe Gulch
LocationTmk: 4-8-006:069
RouteCounty Highway 240
StateHawaii
Coordinates20.11591, -155.56764
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span10 ft (3 m)
Deck width76 ft (23.2 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 and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$10,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Honokaa-Waipio RD over Waikoekoe Gulch built?

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

What condition is Honokaa-Waipio RD over Waikoekoe Gulch 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 August 2024.

How much traffic does Honokaa-Waipio RD over Waikoekoe Gulch carry?

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

How long is Honokaa-Waipio RD over Waikoekoe Gulch?

The structure is 49 ft (14.9 m) long with a longest span of 10 ft (3 m) and a deck 76 ft wide.

Who owns Honokaa-Waipio RD over Waikoekoe Gulch?

It is owned by the County Highway Agency.