US Bridges

Main ST over State Route 22

Fair

Orange County, California · 12-ORA-022-R10.99-SA · Structure no. 55 0363

Built
1963
62 years old, rebuilt 1992
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
185 ft
2 main spans
Daily traffic
22,000
2020 count
Owner
State
State Highway Agency

About this bridge

Main ST over State Route 22 is a concrete continuous box beam or girders - multiple carrying Main ST over State Route 22 in Orange County, California. It was built in 1963 and reconstructed in 1992, 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 22,000 vehicles a day, roughly 3% of them trucks, projected to reach 23,126 by 2041. The structure is 185 ft (56.4 m) long and 106 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain ST
CrossesState Route 22
Location12-ORA-022-R10.99-SA
RouteCity Street 0M035
Coordinates33.77853, -117.86748
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
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 alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length185 ft (56.4 m)
Longest span90 ft (27.4 m)
Deck width106 ft (32.3 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2020)
Projected traffic23,126 by 2041
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 Main ST over State Route 22 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1992.

What condition is Main ST over State Route 22 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 December 2024.

How much traffic does Main ST over State Route 22 carry?

About 22,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Main ST over State Route 22?

The structure is 185 ft (56.4 m) long with a longest span of 90 ft (27.4 m) and a deck 106 ft wide.

Who owns Main ST over State Route 22?

It is owned by the State Highway Agency.