US Bridges

Middle ST over FAI-H1 Ob(middle St)

Fair

Honolulu County, Hawaii · 0.12MI W/Ola Lane · Structure no. 003000H11201937

Built
1964
61 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
155 ft
3 main spans
Daily traffic
18,500
2007 count
Owner
State
State Highway Agency

About this bridge

Middle ST over FAI-H1 Ob(middle St) is a concrete continuous box beam or girders - multiple carrying Middle ST over FAI-H1 Ob(middle St) in Honolulu County, Hawaii. It was built in 1964, so it is 61 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 18,500 vehicles a day, projected to reach 16,306 by 2025. The structure is 155 ft (47.2 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMiddle ST
CrossesFAI-H1 Ob(middle St)
Location0.12MI W/Ola Lane
RouteCity Street 7415
StateHawaii
Coordinates21.33783, -157.88376
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating23.3 US tons
Inventory rating16.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span79 ft (24.1 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,500 (2007)
Projected traffic16,306 by 2025
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Middle ST over FAI-H1 Ob(middle St) built?

It was built in 1964, making it 61 years old in 2025.

What condition is Middle ST over FAI-H1 Ob(middle St) 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 June 2023.

How much traffic does Middle ST over FAI-H1 Ob(middle St) carry?

About 18,500 vehicles per day (2007 count).

How long is Middle ST over FAI-H1 Ob(middle St)?

The structure is 155 ft (47.2 m) long with a longest span of 79 ft (24.1 m) and a deck 60 ft wide.

Who owns Middle ST over FAI-H1 Ob(middle St)?

It is owned by the State Highway Agency.