US Bridges

Kam HWY over UP Poamoho Strm-Brodie 2

Good

Honolulu County, Hawaii · 0.01MI S/Pupukea RD · Structure no. 003000990300562

Built
1937
88 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
11,800
2017 count
Owner
State
State Highway Agency

About this bridge

Kam HWY over UP Poamoho Strm-Brodie 2 is a concrete slab carrying Kam HWY over UP Poamoho Strm-Brodie 2 in Honolulu County, Hawaii. It was built in 1937, so it is 88 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,800 vehicles a day, roughly 3% of them trucks, projected to reach 18,100 by 2025. The structure is 22 ft (6.7 m) long and 31 ft wide.

CarriesKam HWY
CrossesUP Poamoho Strm-Brodie 2
Location0.01MI S/Pupukea RD
RouteU.S. Route 99
StateHawaii
Coordinates21.52811, -158.03955
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,800 (2017)
Projected traffic18,100 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$157,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kam HWY over UP Poamoho Strm-Brodie 2 built?

It was built in 1937, making it 88 years old in 2025.

What condition is Kam HWY over UP Poamoho Strm-Brodie 2 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Kam HWY over UP Poamoho Strm-Brodie 2 carry?

About 11,800 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Kam HWY over UP Poamoho Strm-Brodie 2?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Kam HWY over UP Poamoho Strm-Brodie 2?

It is owned by the State Highway Agency.