Structure 29 0301L · San Joaquin County, CA

Interstate RTE 5 S over Gaffery Road

Carries Interstate RTE 5 S over Gaffery Road, 10-sj-005-0.30l.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT95 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 7/9

95 ft end to end, longest span 38 ft. 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.

Built197155 years old
Length94.8 ft28.9 m
Daily traffic10,800counted 2000
Last inspectedSeptember 2024every 24 months

Location

StateCalifornia
CountySan Joaquin
Location10-sj-005-0.30l
CarriesInterstate RTE 5 S
CrossesGaffery Road
Coordinates37.59350, -121.33868

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length94.8 ft (28.9 m)
Max Span38.1 ft (11.6 m)
Deck Width42.0 ft (12.8 m)
Deck Area369.9 sq m
Main Spans3
Year Built1971

Traffic

Avg Daily Traffic10,800 (2000)
Truck Traffic25%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number29 0301L

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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