Structure 55 0225 · Orange County, CA

Via California over Route 5

Carries Via California over Route 5, 12-ora-005-6.62-dapt.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT441 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

441 ft end to end, longest span 97 ft: about 6 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built196066 years old
Length440.9 ft134.4 m
Daily traffic5,000counted 2024
Last inspectedMay 2024every 24 months

Location

StateCalifornia
CountyOrange
Location12-ora-005-6.62-dapt
CarriesVia California
CrossesRoute 5
Coordinates33.46536, -117.66780

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length440.9 ft (134.4 m)
Max Span97.1 ft (29.6 m)
Deck Width51.8 ft (15.8 m)
Deck Area2123.5 sq m
Main Spans6
Year Built1960

Traffic

Avg Daily Traffic5,000 (2024)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge15

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number55 0225

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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