Structure 57 1186 · San Diego County, CA

Route 125 over Otay River

Carries Route 125 over Otay River, 11-sd-125-l2.40.

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
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT3,320 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

3,320 ft end to end, longest span 297 ft: about 9.2 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 segmental box-girder bridge.

Built200719 years old
Length3320.2 ft1,012 m
Daily traffic11,100counted 2022
Last inspectedMay 2024every 24 months

Location

StateCalifornia
CountySan Diego
Location11-sd-125-l2.40
CarriesRoute 125
CrossesOtay River
Coordinates32.58661, -116.96547

Physical Characteristics

MaterialPrestressed Concrete
DesignSegmental Box Girder
Total Length3320.2 ft (1,012 m)
Max Span296.9 ft (90.5 m)
Deck Width75.8 ft (23.1 m)
Deck Area23377.2 sq m
Main Spans12
Year Built2007

Traffic

Avg Daily Traffic11,100 (2022)
Truck Traffic1%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number57 1186

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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