US Bridges

Mcfadden Avenue over Santa Ana River

Fair

Orange County, California · 0.4 MI W/O Fairview ST · Structure no. 55C0163

Built
1964
61 years old, rebuilt 1977
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete Continuous
Length
350 ft
7 main spans
Daily traffic
22,000
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcfadden Avenue over Santa Ana River is a concrete continuous tee beam carrying Mcfadden Avenue over Santa Ana River in Orange County, California. It was built in 1964 and reconstructed in 1977, so it is 61 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 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 22,000 vehicles a day, roughly 1% of them trucks, projected to reach 39,255 by 2047. The structure is 350 ft (106.7 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMcfadden Avenue
CrossesSanta Ana River
Location0.4 MI W/O Fairview ST
RouteCity Street 0
CountyOrange County
StateCalifornia
Coordinates33.73739, -117.91312
Functional classUrban Minor 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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span54 ft (16.5 m)
Deck width67 ft (20.3 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2021)
Projected traffic39,255 by 2047
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcfadden Avenue over Santa Ana River built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1977.

What condition is Mcfadden Avenue over Santa Ana River 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 February 2025.

How much traffic does Mcfadden Avenue over Santa Ana River carry?

About 22,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Mcfadden Avenue over Santa Ana River?

The structure is 350 ft (106.7 m) long with a longest span of 54 ft (16.5 m) and a deck 67 ft wide.

Who owns Mcfadden Avenue over Santa Ana River?

It is owned by the City or Municipal Highway Agency.