US Bridges

Makawao Ave over Kailua Gulch

GoodPosted for load

Maui County, Hawaii · 0.70MI N/Haleakala HWY · Structure no. 009003650700070

Built
1930
95 years old, rebuilt 1980
Condition
Good
inspected April 2023
Type
Girder and Floorbeam System
Concrete
Length
33 ft
1 main span
Daily traffic
9,168
1989 count
Owner
County
County Highway Agency

About this bridge

Makawao Ave over Kailua Gulch is a concrete girder and floorbeam system carrying Makawao Ave over Kailua Gulch in Maui County, Hawaii. It was built in 1930 and reconstructed in 1980, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 9,168 vehicles a day, projected to reach 11,460 by 2025. The structure is 33 ft (10.1 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMakawao Ave
CrossesKailua Gulch
Location0.70MI N/Haleakala HWY
RouteCounty Highway 0
StateHawaii
Coordinates20.8395, -156.32475
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width55 ft (16.8 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,168 (1989)
Projected traffic11,460 by 2025
Trucks0%
Lanes on structure2
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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Makawao Ave over Kailua Gulch built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1980.

What condition is Makawao Ave over Kailua Gulch 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 April 2023.

How much traffic does Makawao Ave over Kailua Gulch carry?

About 9,168 vehicles per day (1989 count).

How long is Makawao Ave over Kailua Gulch?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 55 ft wide.

Who owns Makawao Ave over Kailua Gulch?

It is owned by the County Highway Agency.