US Bridges

Opaekaa Road over Opaekaa Stream

Good

Kauai County, Hawaii · 0.04 N/Pulana-Opaekaa · Structure no. 007420201142006

Built
2021
4 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
382
1986 count
Owner
County
County Highway Agency

About this bridge

Opaekaa Road over Opaekaa Stream is a steel stringer/multi-beam or girder carrying Opaekaa Road over Opaekaa Stream in Kauai County, Hawaii. It was built in 2021, so it is 4 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 382 vehicles a day, projected to reach 478 by 2025. The structure is 90 ft (27.4 m) long and 14 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOpaekaa Road
CrossesOpaekaa Stream
Location0.04 N/Pulana-Opaekaa
RouteCounty Highway 42015
StateHawaii
Coordinates22.05875, -159.37806
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span86 ft (26.2 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic382 (1986)
Projected traffic478 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Opaekaa Road over Opaekaa Stream built?

It was built in 2021, making it 4 years old in 2025.

What condition is Opaekaa Road over Opaekaa Stream 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 September 2024.

How much traffic does Opaekaa Road over Opaekaa Stream carry?

About 382 vehicles per day (1986 count).

How long is Opaekaa Road over Opaekaa Stream?

The structure is 90 ft (27.4 m) long with a longest span of 86 ft (26.2 m) and a deck 14 ft wide.

Who owns Opaekaa Road over Opaekaa Stream?

It is owned by the County Highway Agency.