Structure 51 0206L · Santa Barbara County, CA

US Highway 101 SB over Carrillo Street

Carries US Highway 101 SB over Carrillo Street, 05-sb-101-r14.76-sb.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT142 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

142 ft end to end. 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.

Built1963rebuilt 1989
Length142.1 ft43.3 m
Daily traffic60,000counted 2009
Last inspectedJanuary 2024every 24 months

Location

StateCalifornia
CountySanta Barbara
Location05-sb-101-r14.76-sb
CarriesUS Highway 101 SB
CrossesCarrillo Street
Coordinates34.41626, -119.70717

Physical Characteristics

MaterialConcrete
DesignBox Beam - Multiple
Total Length142.1 ft (43.3 m)
Max Span82.0 ft (25 m)
Deck Width54.8 ft (16.7 m)
Deck Area723.1 sq m
Main Spans1
Year Built1963 (reconstructed 1989)

Traffic

Avg Daily Traffic60,000 (2009)
Truck Traffic7%
Lanes On Bridge3
Lanes Under Bridge7

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 0206L

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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