Structure 57 0347K · San Diego County, CA

NB Fairmount-w8 On over Fairmount AVE

Carries NB Fairmount-w8 On over Fairmount AVE, 11-sd-008-6.28-sd.

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
SEMI-TRUCK · 72 FT162 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 7/9

162 ft end to end, longest span 46 ft: about 2 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built1958rebuilt 1968
Length162.1 ft49.4 m
Daily traffic29,000counted 2014
Last inspectedApril 2024every 24 months

Location

StateCalifornia
CountySan Diego
Location11-sd-008-6.28-sd
CarriesNB Fairmount-w8 On
CrossesFairmount AVE
Coordinates32.77967, -117.10174

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length162.1 ft (49.4 m)
Max Span45.9 ft (14 m)
Deck Width33.8 ft (10.3 m)
Deck Area508.8 sq m
Main Spans4
Year Built1958 (reconstructed 1968)

Traffic

Avg Daily Traffic29,000 (2014)
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number57 0347K

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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