US Bridges

Queen Kaahumanu H over Unnamed Gully

Fair

Hawaii County, Hawaii · 1.48MI N/Keahole Air Acc · Structure no. 001000190300831

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
47 ft
5 main spans
Daily traffic
15,000
2019 count
Owner
State
State Highway Agency

About this bridge

Queen Kaahumanu H over Unnamed Gully is a steel culvert carrying Queen Kaahumanu H over Unnamed Gully in Hawaii County, Hawaii. It was built in 1974, so it is 51 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 15,000 vehicles a day, roughly 8% of them trucks, projected to reach 13,450 by 2025. The structure is 47 ft (14.3 m) long.

Location

Open in Google Maps
CarriesQueen Kaahumanu H
CrossesUnnamed Gully
Location1.48MI N/Keahole Air Acc
RouteU.S. Route 19
CountyHawaii County
StateHawaii
Coordinates19.75434, -156.02668
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2019)
Projected traffic13,450 by 2025
Trucks8%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Queen Kaahumanu H over Unnamed Gully built?

It was built in 1974, making it 51 years old in 2025.

What condition is Queen Kaahumanu H over Unnamed Gully 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 May 2024.

How much traffic does Queen Kaahumanu H over Unnamed Gully carry?

About 15,000 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Queen Kaahumanu H over Unnamed Gully?

The structure is 47 ft (14.3 m) long with a longest span of 7 ft (2.1 m).

Who owns Queen Kaahumanu H over Unnamed Gully?

It is owned by the State Highway Agency.