Structure 51C0331 · Santa Barbara County, CA

Suey Crossing RD over Santa Maria River

Carries Suey Crossing RD over Santa Maria River, East Of Suey Park.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT404 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

404 ft end to end, longest span 62 ft: about 6 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 bridge of this kind.

Built200125 years old
Length403.5 ft123 m
Daily traffic1,000counted 2008
Last inspectedJanuary 2025every 24 months

Location

StateCalifornia
CountySanta Barbara
LocationEast Of Suey Park
CarriesSuey Crossing RD
CrossesSanta Maria River
Coordinates34.96839, -120.40421

Physical Characteristics

MaterialSteel
DesignOther
Total Length403.5 ft (123 m)
Max Span62.0 ft (18.9 m)
Deck Width27.2 ft (8.3 m)
Deck Area1020.9 sq m
Main Spans11
Year Built2001

Traffic

Avg Daily Traffic1,000 (2008)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number51C0331

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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