Structure 57 0954G · San Diego County, CA

N125-e8 Connector over E8-severin Off & La Mesa

Carries N125-e8 Connector over E8-severin Off & La Mesa, 11-sd-125-r15.46-lmsa.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT390 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

390 ft end to end, longest span 170 ft: about 5 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 box-beam bridge.

Built199036 years old
Length390.1 ft118.9 m
Daily traffic30,800counted 2020
Last inspectedAugust 2024every 24 months

Location

StateCalifornia
CountySan Diego
Location11-sd-125-r15.46-lmsa
CarriesN125-e8 Connector
CrossesE8-severin Off & La Mesa
Coordinates32.77767, -117.00195

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length390.1 ft (118.9 m)
Max Span169.9 ft (51.8 m)
Deck Width54.1 ft (16.5 m)
Deck Area1961.8 sq m
Main Spans3
Year Built1990

Traffic

Avg Daily Traffic30,800 (2020)
Truck Traffic2%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number57 0954G

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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