US Bridges

Kam HWY over Paumalu Strm

Fair

Honolulu County, Hawaii · 0.19MI Ne/Kenui RD · Structure no. 003000830300869

Built
1930
95 years old
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel
Length
90 ft
1 main span
Daily traffic
12,100
2017 count
Owner
State
State Highway Agency

About this bridge

Kam HWY over Paumalu Strm is a steel truss - thru carrying Kam HWY over Paumalu Strm in Honolulu County, Hawaii. It was built in 1930, so it is 95 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 12,100 vehicles a day, roughly 4% of them trucks, projected to reach 13,501 by 2025. The structure is 90 ft (27.4 m) long and 27 ft wide.

CarriesKam HWY
CrossesPaumalu Strm
Location0.19MI Ne/Kenui RD
RouteU.S. Route 83
StateHawaii
Coordinates21.67253, -158.04175
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be 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 rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length90 ft (27.4 m)
Longest span18 ft (5.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,100 (2017)
Projected traffic13,501 by 2025
Trucks4%
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$803,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kam HWY over Paumalu Strm built?

It was built in 1930, making it 95 years old in 2025.

What condition is Kam HWY over Paumalu 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 May 2024.

How much traffic does Kam HWY over Paumalu Strm carry?

About 12,100 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Kam HWY over Paumalu Strm?

The structure is 90 ft (27.4 m) long with a longest span of 18 ft (5.5 m) and a deck 27 ft wide.

Who owns Kam HWY over Paumalu Strm?

It is owned by the State Highway Agency.