US Bridges

Kal HWY over Kahawai Strm(east)

Poor

Honolulu County, Hawaii · 0.02MI W/Mekia ST · Structure no. 003000720700285

Built
1924
101 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
33 ft
1 main span
Daily traffic
10,200
2017 count
Owner
State
State Highway Agency

About this bridge

Kal HWY over Kahawai Strm(east) is a concrete stringer/multi-beam or girder carrying Kal HWY over Kahawai Strm(east) in Honolulu County, Hawaii. It was built in 1924, so it is 101 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10,200 vehicles a day, roughly 2% of them trucks, projected to reach 26,340 by 2025. The structure is 33 ft (10.1 m) long and 50 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesKal HWY
CrossesKahawai Strm(east)
Location0.02MI W/Mekia ST
RouteU.S. Route 72
StateHawaii
Coordinates21.34814, -157.72307
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width50 ft (15.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2017)
Projected traffic26,340 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed31.7 mi (51 km)
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$243,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kal HWY over Kahawai Strm(east) built?

It was built in 1924, making it 101 years old in 2025.

What condition is Kal HWY over Kahawai Strm(east) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Kal HWY over Kahawai Strm(east) carry?

About 10,200 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Kal HWY over Kahawai Strm(east)?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 50 ft wide.

Who owns Kal HWY over Kahawai Strm(east)?

It is owned by the State Highway Agency.