US Bridges

Admiralty Drive over Queen Elizabeth Passage

Fair

Orange County, California · 0.1 MI Ne/O Pac Coast HWY · Structure no. 55C0282

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
3 main spans
Daily traffic
2,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Admiralty Drive over Queen Elizabeth Passage is a steel continuous stringer/multi-beam or girder carrying Admiralty Drive over Queen Elizabeth Passage in Orange County, California. It was built in 1963, so it is 62 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 2,130 by 2040. The structure is 157 ft (47.9 m) long and 52 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesAdmiralty Drive
CrossesQueen Elizabeth Passage
Location0.1 MI Ne/O Pac Coast HWY
RouteCity Street 0
CountyOrange County
StateCalifornia
Coordinates33.72136, -118.07231
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length157 ft (47.9 m)
Longest span60 ft (18.3 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2020)
Projected traffic2,130 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Admiralty Drive over Queen Elizabeth Passage built?

It was built in 1963, making it 62 years old in 2025.

What condition is Admiralty Drive over Queen Elizabeth Passage 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 September 2023.

How much traffic does Admiralty Drive over Queen Elizabeth Passage carry?

About 2,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Admiralty Drive over Queen Elizabeth Passage?

The structure is 157 ft (47.9 m) long with a longest span of 60 ft (18.3 m) and a deck 52 ft wide.

Who owns Admiralty Drive over Queen Elizabeth Passage?

It is owned by the City or Municipal Highway Agency.