Structure 57C0015 · San Diego County, CA

North Harbor DR over Navy Estuary

Carries North Harbor DR over Navy Estuary, 0.75 Mi E/o Rosecrans ST.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT682 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

682 ft end to end, longest span 130 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 multi-beam bridge.

Built198145 years old
Length682.1 ft207.9 m
Daily traffic26,000counted 2022
Last inspectedApril 2024every 24 months

Location

StateCalifornia
CountySan Diego
Location0.75 Mi E/o Rosecrans ST
CarriesNorth Harbor DR
CrossesNavy Estuary
Coordinates32.72791, -117.21563

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length682.1 ft (207.9 m)
Max Span129.9 ft (39.6 m)
Deck Width115.2 ft (35.1 m)
Deck Area7297.3 sq m
Main Spans3
Year Built1981

Traffic

Avg Daily Traffic26,000 (2022)
Truck Traffic1%
Lanes On Bridge6

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number57C0015

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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