US Bridges

Harbor Boulevard over Santa Ana River Channel

Fair

Orange County, California · 0.2 MI N/O Warner Avenue · Structure no. 55C0631

Built
1994
31 years old
Condition
Fair
inspected August 2024
Type
Other
Prestressed Concrete Continuous
Length
394 ft
5 main spans
Daily traffic
54,000
2019 count
Owner
County
County Highway Agency

About this bridge

Harbor Boulevard over Santa Ana River Channel is a prestressed concrete continuous other carrying Harbor Boulevard over Santa Ana River Channel in Orange County, California. It was built in 1994, so it is 31 years old, younger 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 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 54,000 vehicles a day, roughly 1% of them trucks, projected to reach 73,403 by 2041. The structure is 394 ft (120.1 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHarbor Boulevard
CrossesSanta Ana River Channel
Location0.2 MI N/O Warner Avenue
RouteCounty Highway 0
CountyOrange County
StateCalifornia
Coordinates33.7161, -117.92022
Functional classUrban Other Principal Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length394 ft (120.1 m)
Longest span85 ft (25.9 m)
Deck width100 ft (30.5 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,000 (2019)
Projected traffic73,403 by 2041
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Boulevard over Santa Ana River Channel built?

It was built in 1994, making it 31 years old in 2025.

What condition is Harbor Boulevard over Santa Ana River Channel 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 August 2024.

How much traffic does Harbor Boulevard over Santa Ana River Channel carry?

About 54,000 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Harbor Boulevard over Santa Ana River Channel?

The structure is 394 ft (120.1 m) long with a longest span of 85 ft (25.9 m) and a deck 100 ft wide.

Who owns Harbor Boulevard over Santa Ana River Channel?

It is owned by the County Highway Agency.