US Bridges

North Market ST over Iao Strm

GoodPosted for load

Maui County, Hawaii · Kahawai Street · Structure no. 009311301200001

Built
1949
76 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
61 ft
1 main span
Daily traffic
9,849
1988 count
Owner
County
County Highway Agency

About this bridge

North Market ST over Iao Strm is a steel continuous stringer/multi-beam or girder carrying North Market ST over Iao Strm in Maui County, Hawaii. It was built in 1949, so it is 76 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 9,849 vehicles a day, projected to reach 12,311 by 2025. The structure is 61 ft (18.7 m) long and 38 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesNorth Market ST
CrossesIao Strm
LocationKahawai Street
RouteCounty Highway 0
StateHawaii
Coordinates20.89155, -156.50386
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.8 US tons
Inventory rating17.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length61 ft (18.7 m)
Longest span59 ft (18 m)
Deck width38 ft (11.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,849 (1988)
Projected traffic12,311 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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$373,000
NavigationNo navigation control on waterway

Frequently asked questions

When was North Market ST over Iao Strm built?

It was built in 1949, making it 76 years old in 2025.

What condition is North Market ST over Iao Strm 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 October 2024.

How much traffic does North Market ST over Iao Strm carry?

About 9,849 vehicles per day (1988 count).

How long is North Market ST over Iao Strm?

The structure is 61 ft (18.7 m) long with a longest span of 59 ft (18 m) and a deck 38 ft wide.

Who owns North Market ST over Iao Strm?

It is owned by the County Highway Agency.