Structure 55 0281 · Orange County, CA

SR 39 (beach Blvd) over E Garden Grove Channel

Carries SR 39 (beach Blvd) over E Garden Grove Channel, 12-ora-039-5.13-hntb.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT35 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 35 ft across with 3 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.

Built196165 years old
Length35.1 ft10.7 m
Daily traffic72,000counted 2012
Last inspectedJanuary 2022every 48 months

Location

StateCalifornia
CountyOrange
Location12-ora-039-5.13-hntb
CarriesSR 39 (beach Blvd)
CrossesE Garden Grove Channel
Coordinates33.72303, -117.98900

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length35.1 ft (10.7 m)
Max Span12.1 ft (3.7 m)
Deck Width102.4 ft (31.2 m)
Deck Area333.8 sq m
Main Spans3
Year Built1961

Traffic

Avg Daily Traffic72,000 (2012)
Truck Traffic1%
Lanes On Bridge8

Inspection & Ownership

Last InspectionJanuary 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number55 0281

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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