US Bridges

Paena Loop over Nawiliwili Strm

FairPosted for load

Kauai County, Hawaii · 0.05MI S/Kalapaki-Paena J · Structure no. 007350011135001

Built
1900
125 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Concrete
Length
50 ft
1 main span
Daily traffic
350
1981 count
Owner
County
County Highway Agency

About this bridge

Paena Loop over Nawiliwili Strm is a concrete girder and floorbeam system carrying Paena Loop over Nawiliwili Strm in Kauai County, Hawaii. It was built in 1900, so it is 125 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. Its operating status is: posted for load restriction.

It carries about 350 vehicles a day, projected to reach 438 by 2025. The structure is 50 ft (15.2 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPaena Loop
CrossesNawiliwili Strm
Location0.05MI S/Kalapaki-Paena J
RouteCounty Highway 35001
CountyKauai County
StateHawaii
Coordinates21.96072, -159.35264
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating14.7 US tons
Inventory rating11.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (1981)
Projected traffic438 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$278,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Paena Loop over Nawiliwili Strm built?

It was built in 1900, making it 125 years old in 2025.

What condition is Paena Loop over Nawiliwili 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 September 2024.

How much traffic does Paena Loop over Nawiliwili Strm carry?

About 350 vehicles per day (1981 count).

How long is Paena Loop over Nawiliwili Strm?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 29 ft wide.

Who owns Paena Loop over Nawiliwili Strm?

It is owned by the County Highway Agency.