Structure 57 0550G · San Diego County, CA

N5-e8 Connector Rp over Bnsf Amtrak Mtdb Pacific

Carries N5-e8 Connector Rp over Bnsf Amtrak Mtdb Pacific, 11-sd-005-r19.90-sd.

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 FT669 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 7/9

669 ft end to end, longest span 120 ft: about 1.9 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.

Built196957 years old
Length669.0 ft203.9 m
Daily traffic20,200counted 2020
Last inspectedSeptember 2023every 24 months

Location

StateCalifornia
CountySan Diego
Location11-sd-005-r19.90-sd
CarriesN5-e8 Connector Rp
CrossesBnsf Amtrak Mtdb Pacific
Coordinates32.75744, -117.20189

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length669.0 ft (203.9 m)
Max Span120.1 ft (36.6 m)
Deck Width25.9 ft (7.9 m)
Deck Area1610.8 sq m
Main Spans7
Year Built1969

Traffic

Avg Daily Traffic20,200 (2020)
Truck Traffic2%
Lanes On Bridge1
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number57 0550G

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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