US Bridges

Halewili RD over Wahiawa Strm

Good

Kauai County, Hawaii · 0.60MI Se/Low Inc Hsng RD · Structure no. 007005400500077

Built
1974
51 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
408 ft
6 main spans
Daily traffic
3,100
2017 count
Owner
State
State Highway Agency

About this bridge

Halewili RD over Wahiawa Strm is a prestressed concrete stringer/multi-beam or girder carrying Halewili RD over Wahiawa Strm in Kauai County, Hawaii. It was built in 1974, so it is 51 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 3,100 vehicles a day, roughly 7% of them trucks, projected to reach 3,254 by 2025. The structure is 408 ft (124.4 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHalewili RD
CrossesWahiawa Strm
Location0.60MI Se/Low Inc Hsng RD
RouteU.S. Route 540
StateHawaii
Coordinates21.90491, -159.56998
Functional classRural Major Collector

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating51.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length408 ft (124.4 m)
Longest span85 ft (25.9 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2017)
Projected traffic3,254 by 2025
Trucks7%
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

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Halewili RD over Wahiawa Strm built?

It was built in 1974, making it 51 years old in 2025.

What condition is Halewili RD over Wahiawa 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 June 2023.

How much traffic does Halewili RD over Wahiawa Strm carry?

About 3,100 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is Halewili RD over Wahiawa Strm?

The structure is 408 ft (124.4 m) long with a longest span of 85 ft (25.9 m) and a deck 50 ft wide.

Who owns Halewili RD over Wahiawa Strm?

It is owned by the State Highway Agency.