Structure 57 1022 · San Diego County, CA

State Route 76 over Jennifer Drain

Carries State Route 76 over Jennifer Drain, 11-sd-076-12.90-ocn.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT30 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 30 ft across with 4 openings. Lengths and the car 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, so those are drawn as typical for a culvert.

Built199234 years old
Length30.2 ft9.2 m
Daily traffic21,600counted 2015
Last inspectedJune 2022every 48 months

Location

StateCalifornia
CountySan Diego
Location11-sd-076-12.90-ocn
CarriesState Route 76
CrossesJennifer Drain
Coordinates33.29988, -117.21788

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length30.2 ft (9.2 m)
Max Span7.5 ft (2.3 m)
Deck Width79.1 ft (24.1 m)
Deck Area221.7 sq m
Main Spans4
Year Built1992

Traffic

Avg Daily Traffic21,600 (2015)
Truck Traffic1%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJune 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number57 1022

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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