Structure 57 1145R · San Diego County, CA

Route 905 over La Media Road

Carries Route 905 over La Media Road, 11-sd-905-r9.70.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT142 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 7/9

142 ft end to end. 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 box-beam bridge.

Built201115 years old
Length142.4 ft43.4 m
Daily traffic16,250counted 2020
Last inspectedJanuary 2024every 24 months

Location

StateCalifornia
CountySan Diego
Location11-sd-905-r9.70
CarriesRoute 905
CrossesLa Media Road
Coordinates32.56389, -116.96264

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length142.4 ft (43.4 m)
Max Span142.4 ft (43.4 m)
Deck Width87.9 ft (26.8 m)
Deck Area1163.1 sq m
Main Spans1
Year Built2011

Traffic

Avg Daily Traffic16,250 (2020)
Truck Traffic7%
Lanes On Bridge5
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number57 1145R

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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