Structure 57 1225 · San Diego County, CA

I-805 Dar On/off over Bnsf & Soledad Cyn Crk

Carries I-805 Dar On/off over Bnsf & Soledad Cyn Crk, 11-sd-805-26.80-sd.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT491 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

491 ft end to end, longest span 181 ft: about 7 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.

Built20179 years old
Length490.8 ft149.6 m
Daily traffic5,000counted 2020
Last inspectedOctober 2024every 48 months

Location

StateCalifornia
CountySan Diego
Location11-sd-805-26.80-sd
CarriesI-805 Dar On/off
CrossesBnsf & Soledad Cyn Crk
Coordinates32.88697, -117.20317

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length490.8 ft (149.6 m)
Max Span180.8 ft (55.1 m)
Deck Width43.0 ft (13.1 m)
Deck Area1959.8 sq m
Main Spans3
Year Built2017

Traffic

Avg Daily Traffic5,000 (2020)
Truck Traffic1%
Lanes On Bridge3

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number57 1225

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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