US Bridges

Harbor Blvd over Interstate 5

Good

Orange County, California · 12-ORA-005-37.40-ANA · Structure no. 55 0859

Built
2000
25 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
441 ft
2 main spans
Daily traffic
41,000
2016 count
Owner
State
State Highway Agency

About this bridge

Harbor Blvd over Interstate 5 is a steel continuous stringer/multi-beam or girder carrying Harbor Blvd over Interstate 5 in Orange County, California. It was built in 2000, so it is 25 years old, younger than the California average of 54.8 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.

It carries about 41,000 vehicles a day, roughly 3% of them trucks, projected to reach 42,478 by 2046. The structure is 441 ft (134.5 m) long and 121 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesHarbor Blvd
CrossesInterstate 5
Location12-ORA-005-37.40-ANA
RouteCity Street 0
Coordinates33.81458, -117.91516
Functional classUrban Minor Arterial

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.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length441 ft (134.5 m)
Longest span232 ft (70.6 m)
Deck width121 ft (36.9 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,000 (2016)
Projected traffic42,478 by 2046
Trucks3%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Harbor Blvd over Interstate 5 built?

It was built in 2000, making it 25 years old in 2025.

What condition is Harbor Blvd over Interstate 5 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 January 2024.

How much traffic does Harbor Blvd over Interstate 5 carry?

About 41,000 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Harbor Blvd over Interstate 5?

The structure is 441 ft (134.5 m) long with a longest span of 232 ft (70.6 m) and a deck 121 ft wide.

Who owns Harbor Blvd over Interstate 5?

It is owned by the State Highway Agency.