Structure 57C0722 · San Diego County, CA

Morena BLVD over Balboa AVE

Carries Morena BLVD over Balboa AVE, 750 Ft E/o I-5 Freeway.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT197 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 7/9

197 ft end to end, longest span 97 ft: about 3 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 multi-beam bridge.

Built196957 years old
Length196.5 ft59.9 m
Daily traffic19,479counted 2020
Last inspectedAugust 2023every 24 months

Location

StateCalifornia
CountySan Diego
Location750 Ft E/o I-5 Freeway
CarriesMorena BLVD
CrossesBalboa AVE
Coordinates32.80708, -117.21315

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length196.5 ft (59.9 m)
Max Span97.1 ft (29.6 m)
Deck Width65.0 ft (19.8 m)
Deck Area1186.0 sq m
Main Spans2
Year Built1969

Traffic

Avg Daily Traffic19,479 (2020)
Truck Traffic2%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number57C0722

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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