US Bridges

Waiehu-Beach RD over Iao Strm

Fair

Maui County, Hawaii · 0.16MI S/Kuhio Pl · Structure no. 009034001400162

Built
1953
72 years old, rebuilt 2012
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
183 ft
3 main spans
Daily traffic
9,600
2017 count
Owner
State
State Highway Agency

About this bridge

Waiehu-Beach RD over Iao Strm is a concrete continuous tee beam carrying Waiehu-Beach RD over Iao Strm in Maui County, Hawaii. It was built in 1953 and reconstructed in 2012, so it is 72 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,600 vehicles a day, roughly 2% of them trucks, projected to reach 19,675 by 2025. The structure is 183 ft (55.8 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWaiehu-Beach RD
CrossesIao Strm
Location0.16MI S/Kuhio Pl
RouteU.S. Route 3400
CountyMaui County
StateHawaii
Coordinates20.90676, -156.48854
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadH 20
Structure length183 ft (55.8 m)
Longest span68 ft (20.7 m)
Deck width50 ft (15.2 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,600 (2017)
Projected traffic19,675 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$947,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Waiehu-Beach RD over Iao Strm built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2012.

What condition is Waiehu-Beach RD over Iao 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 August 2024.

How much traffic does Waiehu-Beach RD over Iao Strm carry?

About 9,600 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Waiehu-Beach RD over Iao Strm?

The structure is 183 ft (55.8 m) long with a longest span of 68 ft (20.7 m) and a deck 50 ft wide.

Who owns Waiehu-Beach RD over Iao Strm?

It is owned by the State Highway Agency.