US Bridges

S/B Fairview Road over Hillside

Fair

Orange County, California · 0.05 MI S/O Route 405 Fwy · Structure no. 55C0570

Built
1989
36 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
437 ft
11 main spans
Daily traffic
42,000
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

S/B Fairview Road over Hillside is a concrete continuous slab carrying S/B Fairview Road over Hillside in Orange County, California. It was built in 1989, so it is 36 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 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 42,000 vehicles a day, roughly 1% of them trucks, projected to reach 89,780 by 2045. The structure is 437 ft (133.2 m) long and 9 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS/B Fairview Road
CrossesHillside
Location0.05 MI S/O Route 405 Fwy
RouteCity Street 0
Coordinates33.68602, -117.90789
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
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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20 + Mod
Structure length437 ft (133.2 m)
Longest span42 ft (12.8 m)
Deck width9 ft (2.7 m)
Roadway width94 ft (28.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,000 (2014)
Projected traffic89,780 by 2045
Trucks1%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 S/B Fairview Road over Hillside built?

It was built in 1989, making it 36 years old in 2025.

What condition is S/B Fairview Road over Hillside 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 October 2023.

How much traffic does S/B Fairview Road over Hillside carry?

About 42,000 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is S/B Fairview Road over Hillside?

The structure is 437 ft (133.2 m) long with a longest span of 42 ft (12.8 m) and a deck 9 ft wide.

Who owns S/B Fairview Road over Hillside?

It is owned by the City or Municipal Highway Agency.