US Bridges

Waipahu ST over Waikele Strm

PoorPosted for load

Honolulu County, Hawaii · 3300E/WAIKELE/WAIPAHU ST · Structure no. 003083661400104

Built
1905
120 years old
Condition
Poor
inspected September 2023
Type
Arch - Deck
Concrete
Length
54 ft
1 main span
Daily traffic
11,182
1989 count
Owner
County
County Highway Agency

About this bridge

Waipahu ST over Waikele Strm is a concrete arch - deck carrying Waipahu ST over Waikele Strm in Honolulu County, Hawaii. It was built in 1905, so it is 120 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. Its operating status is: posted for load restriction.

It carries about 11,182 vehicles a day, projected to reach 13,978 by 2025. The structure is 54 ft (16.5 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWaipahu ST
CrossesWaikele Strm
Location3300E/WAIKELE/WAIPAHU ST
RouteCity Street 7142
StateHawaii
Coordinates21.38728, -158.0128
Functional classUrban Minor 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating23.9 US tons
Inventory rating18.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span43 ft (13 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,182 (1989)
Projected traffic13,978 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$282,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Waipahu ST over Waikele Strm built?

It was built in 1905, making it 120 years old in 2025.

What condition is Waipahu ST over Waikele Strm 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 September 2023.

How much traffic does Waipahu ST over Waikele Strm carry?

About 11,182 vehicles per day (1989 count).

How long is Waipahu ST over Waikele Strm?

The structure is 54 ft (16.5 m) long with a longest span of 43 ft (13 m) and a deck 28 ft wide.

Who owns Waipahu ST over Waikele Strm?

It is owned by the County Highway Agency.