US Bridges

Hauaala Road over Hauaala Br (kapaa Strm)

Fair

Kauai County, Hawaii · 2 KM from Kawaihau RD · Structure no. 007410001510003

Built
1966
59 years old, rebuilt 2010
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
100
2013 count
Owner
County
County Highway Agency

About this bridge

Hauaala Road over Hauaala Br (kapaa Strm) is a concrete continuous slab carrying Hauaala Road over Hauaala Br (kapaa Strm) in Kauai County, Hawaii. It was built in 1966 and reconstructed in 2010, so it is 59 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, posting recommended but not legally implemented.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 300 by 2035. The structure is 34 ft (10.4 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHauaala Road
CrossesHauaala Br (kapaa Strm)
Location2 KM from Kawaihau RD
RouteCity Street 0
StateHawaii
Coordinates22.10459, -159.32795
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating20 US tons
Inventory rating15.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span12 ft (3.7 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2013)
Projected traffic300 by 2035
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hauaala Road over Hauaala Br (kapaa Strm) built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2010.

What condition is Hauaala Road over Hauaala Br (kapaa 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 September 2024.

How much traffic does Hauaala Road over Hauaala Br (kapaa Strm) carry?

About 100 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Hauaala Road over Hauaala Br (kapaa Strm)?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.7 m) and a deck 31 ft wide.

Who owns Hauaala Road over Hauaala Br (kapaa Strm)?

It is owned by the County Highway Agency.