US Bridges

Kolo RD over Kilauea Strm Br

Good

Kauai County, Hawaii · 0.09MI E/Kilauea RD JCT · Structure no. 007520201152001

Built
1913
112 years old, rebuilt 2007
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
1,322
1986 count
Owner
County
County Highway Agency

About this bridge

Kolo RD over Kilauea Strm Br is a prestressed concrete stringer/multi-beam or girder carrying Kolo RD over Kilauea Strm Br in Kauai County, Hawaii. It was built in 1913 and reconstructed in 2007, so it is 112 years old, older 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 1,322 vehicles a day, projected to reach 1,653 by 2025. The structure is 113 ft (34.3 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKolo RD
CrossesKilauea Strm Br
Location0.09MI E/Kilauea RD JCT
RouteCounty Highway 52020
StateHawaii
Coordinates22.20389, -159.40833
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating68.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length113 ft (34.3 m)
Longest span110 ft (33.5 m)
Deck width35 ft (10.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,322 (1986)
Projected traffic1,653 by 2025
Trucks0%
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

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$449,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kolo RD over Kilauea Strm Br built?

It was built in 1913, making it 112 years old in 2025. It was reconstructed in 2007.

What condition is Kolo RD over Kilauea Strm Br 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 Kolo RD over Kilauea Strm Br carry?

About 1,322 vehicles per day (1986 count).

How long is Kolo RD over Kilauea Strm Br?

The structure is 113 ft (34.3 m) long with a longest span of 110 ft (33.5 m) and a deck 35 ft wide.

Who owns Kolo RD over Kilauea Strm Br?

It is owned by the County Highway Agency.