US Bridges

Middle ST over Middle ST(FAI-H1)TUNNEL

Fair

Honolulu County, Hawaii · 0.14MI W/Ola Lane · Structure no. 003000H11201934

Built
1964
61 years old
Condition
Fair
inspected June 2023
Type
Frame
Concrete
Length
45 ft
1 main span
Daily traffic
18,500
2007 count
Owner
State
State Highway Agency

About this bridge

Middle ST over Middle ST(FAI-H1)TUNNEL is a concrete frame carrying Middle ST over Middle ST(FAI-H1)TUNNEL 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 45 ft (13.7 m) long and 791 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMiddle ST
CrossesMiddle ST(FAI-H1)TUNNEL
Location0.14MI W/Ola Lane
RouteCity Street 7415
StateHawaii
Coordinates21.33736, -157.88395
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating99 US tons
Inventory rating43 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span38 ft (11.6 m)
Deck width791 ft (241.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic18,500 (2007)
Projected traffic16,306 by 2025
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Middle ST over Middle ST(FAI-H1)TUNNEL built?

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

What condition is Middle ST over Middle ST(FAI-H1)TUNNEL 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 Middle ST(FAI-H1)TUNNEL carry?

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

How long is Middle ST over Middle ST(FAI-H1)TUNNEL?

The structure is 45 ft (13.7 m) long with a longest span of 38 ft (11.6 m) and a deck 791 ft wide.

Who owns Middle ST over Middle ST(FAI-H1)TUNNEL?

It is owned by the State Highway Agency.