US Bridges

Waikoloa Road over Auwaiakeakua Glh

Good

Hawaii County, Hawaii · Tmk 6-8-003:032 · Structure no. 001680001100001

Built
1970
55 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
100
1981 count
Owner
County
County Highway Agency

About this bridge

Waikoloa Road over Auwaiakeakua Glh is a concrete continuous slab carrying Waikoloa Road over Auwaiakeakua Glh in Hawaii County, Hawaii. It was built in 1970, so it is 55 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 100 vehicles a day, projected to reach 125 by 2025. The structure is 77 ft (23.5 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWaikoloa Road
CrossesAuwaiakeakua Glh
LocationTmk 6-8-003:032
StateHawaii
Coordinates19.92447, -155.79758
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span22 ft (6.7 m)
Deck width77 ft (23.5 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1981)
Projected traffic125 by 2025
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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$320,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Waikoloa Road over Auwaiakeakua Glh built?

It was built in 1970, making it 55 years old in 2025.

What condition is Waikoloa Road over Auwaiakeakua Glh 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 April 2024.

How much traffic does Waikoloa Road over Auwaiakeakua Glh carry?

About 100 vehicles per day (1981 count).

How long is Waikoloa Road over Auwaiakeakua Glh?

The structure is 77 ft (23.5 m) long with a longest span of 22 ft (6.7 m) and a deck 77 ft wide.

Who owns Waikoloa Road over Auwaiakeakua Glh?

It is owned by the County Highway Agency.