US Bridges

Kam HWY over Kaaawa Strm

Fair

Honolulu County, Hawaii · 0.10MI Se/Pohuehue RD · Structure no. 003000830302903

Built
1927
98 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
126 ft
7 main spans
Daily traffic
12,800
2017 count
Owner
State
State Highway Agency

About this bridge

Kam HWY over Kaaawa Strm is a concrete continuous slab carrying Kam HWY over Kaaawa Strm in Honolulu County, Hawaii. It was built in 1927, so it is 98 years old, older 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.

It carries about 12,800 vehicles a day, roughly 6% of them trucks, projected to reach 13,509 by 2025. The structure is 126 ft (38.4 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesKam HWY
CrossesKaaawa Strm
Location0.10MI Se/Pohuehue RD
RouteU.S. Route 83
CountyHonolulu County
StateHawaii
Coordinates21.54449, -157.84564
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length126 ft (38.4 m)
Longest span18 ft (5.5 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,800 (2017)
Projected traffic13,509 by 2025
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Kam HWY over Kaaawa Strm built?

It was built in 1927, making it 98 years old in 2025.

What condition is Kam HWY over Kaaawa 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 June 2024.

How much traffic does Kam HWY over Kaaawa Strm carry?

About 12,800 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is Kam HWY over Kaaawa Strm?

The structure is 126 ft (38.4 m) long with a longest span of 18 ft (5.5 m) and a deck 26 ft wide.

Who owns Kam HWY over Kaaawa Strm?

It is owned by the State Highway Agency.