Structure 56C0397 · Riverside County, CA

Lasselle Street over Moreno Valley Ranch Lake

Carries Lasselle Street over Moreno Valley Ranch Lake, 500 S/o Iris Avenue.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT87 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 87 ft across with 6 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.

Built198838 years old
Length86.9 ft26.5 m
Daily traffic16,900counted 2017
Last inspectedJuly 2021every 48 months

Location

StateCalifornia
CountyRiverside
Location500 S/o Iris Avenue
CarriesLasselle Street
CrossesMoreno Valley Ranch Lake
Coordinates33.88984, -117.20619

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length86.9 ft (26.5 m)
Max Span13.8 ft (4.2 m)
Deck Width144.7 ft (44.1 m)
Deck Area1168.7 sq m
Main Spans6
Year Built1988

Traffic

Avg Daily Traffic16,900 (2017)
Truck Traffic1%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJuly 2021
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number56C0397

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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