US Bridges

Piilani HWY over Keokea Gulch Br

Fair

Maui County, Hawaii · 0.33MI Ne/Sewer Tmt Plt R · Structure no. 009000310300736

Built
1980
45 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
36,400
2017 count
Owner
State
State Highway Agency

About this bridge

Piilani HWY over Keokea Gulch Br is a prestressed concrete stringer/multi-beam or girder carrying Piilani HWY over Keokea Gulch Br in Maui County, Hawaii. It was built in 1980, so it is 45 years old, younger 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 36,400 vehicles a day, roughly 2% of them trucks, projected to reach 25,914 by 2025. The structure is 52 ft (15.8 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPiilani HWY
CrossesKeokea Gulch Br
Location0.33MI Ne/Sewer Tmt Plt R
RouteU.S. Route 31
CountyMaui County
StateHawaii
Coordinates20.74063, -156.44556
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span49 ft (14.9 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,400 (2017)
Projected traffic25,914 by 2025
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Piilani HWY over Keokea Gulch Br built?

It was built in 1980, making it 45 years old in 2025.

What condition is Piilani HWY over Keokea Gulch Br 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 April 2023.

How much traffic does Piilani HWY over Keokea Gulch Br carry?

About 36,400 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Piilani HWY over Keokea Gulch Br?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.9 m) and a deck 51 ft wide.

Who owns Piilani HWY over Keokea Gulch Br?

It is owned by the State Highway Agency.