US Bridges

Pump Station RD over Waiawa Stream

Fair

Honolulu County, Hawaii · 365M NW of Waihona Pl · Structure no. 1HI0076

Built
1949
76 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
104 ft
3 main spans
Daily traffic
5
2017 count
Owner
Federal
Navy / Marines

About this bridge

Pump Station RD over Waiawa Stream is a steel stringer/multi-beam or girder carrying Pump Station RD over Waiawa Stream in Honolulu County, Hawaii. It was built in 1949, so it is 76 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 5 vehicles a day, projected to reach 10 by 2043. The structure is 104 ft (31.8 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPump Station RD
CrossesWaiawa Stream
Location365M NW of Waihona Pl
RouteFederal Lands Road 0
CountyHonolulu County
StateHawaii
Coordinates21.414, -157.97066
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating39.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length104 ft (31.8 m)
Longest span45 ft (13.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2017)
Projected traffic10 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$90,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pump Station RD over Waiawa Stream built?

It was built in 1949, making it 76 years old in 2025.

What condition is Pump Station RD over Waiawa Stream 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 June 2024.

How much traffic does Pump Station RD over Waiawa Stream carry?

About 5 vehicles per day (2017 count).

How long is Pump Station RD over Waiawa Stream?

The structure is 104 ft (31.8 m) long with a longest span of 45 ft (13.7 m) and a deck 26 ft wide.

Who owns Pump Station RD over Waiawa Stream?

It is owned by the Navy / Marines.