US Bridges

Paalaa RD over Paalaa Rd/Unnamed Strm

Good

Honolulu County, Hawaii · TMK=6-6-12 · Structure no. 003601001100001

Built
1968
57 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
18,600
1980 count
Owner
County
County Highway Agency

About this bridge

Paalaa RD over Paalaa Rd/Unnamed Strm is a concrete culvert carrying Paalaa RD over Paalaa Rd/Unnamed Strm in Honolulu County, Hawaii. It was built in 1968, so it is 57 years old, younger 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 18,600 vehicles a day, projected to reach 23,250 by 2025. The structure is 20 ft (6.1 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPaalaa RD
CrossesPaalaa Rd/Unnamed Strm
LocationTMK=6-6-12
RouteCity Street 60100
StateHawaii
Coordinates21.58222, -158.11271
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width37 ft (11.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,600 (1980)
Projected traffic23,250 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$173,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Paalaa RD over Paalaa Rd/Unnamed Strm built?

It was built in 1968, making it 57 years old in 2025.

What condition is Paalaa RD over Paalaa Rd/Unnamed Strm 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 October 2023.

How much traffic does Paalaa RD over Paalaa Rd/Unnamed Strm carry?

About 18,600 vehicles per day (1980 count).

How long is Paalaa RD over Paalaa Rd/Unnamed Strm?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 37 ft wide.

Who owns Paalaa RD over Paalaa Rd/Unnamed Strm?

It is owned by the County Highway Agency.