Structure 51 0276L · Santa Barbara County, CA

US Highway 101 SB over State Street

Carries US Highway 101 SB over State Street, 05-sb-101-13.79-sb.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT85 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 7/9

85 ft end to end. Lengths and the car 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.

Built199036 years old
Length85.0 ft25.9 m
Daily traffic54,500counted 2009
Last inspectedJanuary 2024every 24 months

Location

StateCalifornia
CountySanta Barbara
Location05-sb-101-13.79-sb
CarriesUS Highway 101 SB
CrossesState Street
Coordinates34.41521, -119.69299

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length85.0 ft (25.9 m)
Max Span83.0 ft (25.3 m)
Deck Width107.6 ft (32.8 m)
Deck Area849.5 sq m
Main Spans1
Year Built1990

Traffic

Avg Daily Traffic54,500 (2009)
Truck Traffic5%
Lanes On Bridge5
Lanes Under Bridge5

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number51 0276L

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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