US Bridges

Kam HWY over Halawa Strm (e.B)

Fair

Honolulu County, Hawaii · 0.06MI S/Kalaloa ST · Structure no. 003000990402211

Built
2009
16 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
233 ft
3 main spans
Daily traffic
27,300
2017 count
Owner
State
State Highway Agency

About this bridge

Kam HWY over Halawa Strm (e.B) is a prestressed concrete stringer/multi-beam or girder carrying Kam HWY over Halawa Strm (e.B) in Honolulu County, Hawaii. It was built in 2009, so it is 16 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.

It carries about 27,300 vehicles a day, roughly 4% of them trucks, projected to reach 34,268 by 2025. The structure is 233 ft (71 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKam HWY
CrossesHalawa Strm (e.B)
Location0.06MI S/Kalaloa ST
RouteU.S. Route 99
StateHawaii
Coordinates21.36558, -157.93724
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length233 ft (71 m)
Longest span80 ft (24.4 m)
Deck width57 ft (17.3 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,300 (2017)
Projected traffic34,268 by 2025
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$6.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Kam HWY over Halawa Strm (e.B) built?

It was built in 2009, making it 16 years old in 2025.

What condition is Kam HWY over Halawa Strm (e.B) 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 March 2023.

How much traffic does Kam HWY over Halawa Strm (e.B) carry?

About 27,300 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Kam HWY over Halawa Strm (e.B)?

The structure is 233 ft (71 m) long with a longest span of 80 ft (24.4 m) and a deck 57 ft wide.

Who owns Kam HWY over Halawa Strm (e.B)?

It is owned by the State Highway Agency.