US Bridges

Bypass (RT.130) over Unnamed Stream

Good

Hawaii County, Hawaii · I MI S Keaau Camp · Structure no. 001001300500179

Built
1999
26 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
24,330
2019 count
Owner
State
State Highway Agency

About this bridge

Bypass (RT.130) over Unnamed Stream is a concrete culvert carrying Bypass (RT.130) over Unnamed Stream in Hawaii County, Hawaii. It was built in 1999, so it is 26 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 24,330 vehicles a day, roughly 2% of them trucks, projected to reach 20,796 by 2025. The structure is 38 ft (11.7 m) long.

CarriesBypass (RT.130)
CrossesUnnamed Stream
LocationI MI S Keaau Camp
RouteU.S. Route 130
StateHawaii
Coordinates19.60822, -155.02925
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating61.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,330 (2019)
Projected traffic20,796 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bypass (RT.130) over Unnamed Stream built?

It was built in 1999, making it 26 years old in 2025.

What condition is Bypass (RT.130) over Unnamed 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 May 2024.

How much traffic does Bypass (RT.130) over Unnamed Stream carry?

About 24,330 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Bypass (RT.130) over Unnamed Stream?

The structure is 38 ft (11.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Bypass (RT.130) over Unnamed Stream?

It is owned by the State Highway Agency.