US Bridges

Queen Kaahumanu over Keakealani Sub Div.Rd

Good

Hawaii County, Hawaii · 1.8 MI S of HWY 19D/19C · Structure no. 001000190306882

Built
1993
32 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
156 ft
3 main spans
Daily traffic
12,700
2019 count
Owner
State
State Highway Agency

About this bridge

Queen Kaahumanu over Keakealani Sub Div.Rd is a prestressed concrete stringer/multi-beam or girder carrying Queen Kaahumanu over Keakealani Sub Div.Rd in Hawaii County, Hawaii. It was built in 1993, so it is 32 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 12,700 vehicles a day, roughly 6% of them trucks, projected to reach 12,402 by 2025. The structure is 156 ft (47.4 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesQueen Kaahumanu
CrossesKeakealani Sub Div.Rd
Location1.8 MI S of HWY 19D/19C
RouteU.S. Route 19
StateHawaii
Coordinates19.99705, -155.81626
Functional classRural Principal Arterial - Other

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.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.4 m)
Longest span72 ft (21.9 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,700 (2019)
Projected traffic12,402 by 2025
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Queen Kaahumanu over Keakealani Sub Div.Rd built?

It was built in 1993, making it 32 years old in 2025.

What condition is Queen Kaahumanu over Keakealani Sub Div.Rd 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 May 2024.

How much traffic does Queen Kaahumanu over Keakealani Sub Div.Rd carry?

About 12,700 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Queen Kaahumanu over Keakealani Sub Div.Rd?

The structure is 156 ft (47.4 m) long with a longest span of 72 ft (21.9 m) and a deck 48 ft wide.

Who owns Queen Kaahumanu over Keakealani Sub Div.Rd?

It is owned by the State Highway Agency.