Structure 57 0951G · San Diego County, CA

E8-s125 Connector over La Mesa Bl & S125-grsmnt

Carries E8-s125 Connector over La Mesa Bl & S125-grsmnt, 11-sd-008-11.94-lmsa.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,577 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,577 ft end to end, longest span 215 ft: about 4.4 football fields. 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.

Built199036 years old
Length1577.1 ft480.7 m
Daily traffic11,100counted 2014
Last inspectedMay 2024every 24 months

Location

StateCalifornia
CountySan Diego
Location11-sd-008-11.94-lmsa
CarriesE8-s125 Connector
CrossesLa Mesa Bl & S125-grsmnt
Coordinates32.77562, -117.00791

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length1577.1 ft (480.7 m)
Max Span214.9 ft (65.5 m)
Deck Width29.9 ft (9.1 m)
Deck Area4374.4 sq m
Main Spans9
Year Built1990

Traffic

Avg Daily Traffic11,100 (2014)
Truck Traffic2%
Lanes On Bridge1
Lanes Under Bridge1

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number57 0951G

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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