Structure 29C0424 · San Joaquin County, CA

Morada Lane over Mosher Slough

Carries Morada Lane over Mosher Slough, 1 Mile W Of Route 99.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT47 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 7/9

47 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a slab bridge.

Built200719 years old
Length46.9 ft14.3 m
Daily traffic13,800counted 2015
Last inspectedDecember 2023every 24 months

Location

StateCalifornia
CountySan Joaquin
Location1 Mile W Of Route 99
CarriesMorada Lane
CrossesMosher Slough
Coordinates38.03686, -121.27684

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length46.9 ft (14.3 m)
Max Span46.9 ft (14.3 m)
Deck Width103.0 ft (31.4 m)
Deck Area449.0 sq m
Main Spans1
Year Built2007

Traffic

Avg Daily Traffic13,800 (2015)
Truck Traffic4%
Lanes On Bridge4

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number29C0424

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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