Structure 51C0321 · Santa Barbara County, CA

La Cumbre Road over Up Rr Amtrak Modoc RD

Carries La Cumbre Road over Up Rr Amtrak Modoc RD, 0.1 Mi S S.r. 101.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT209 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

209 ft end to end, longest span 105 ft: about 3 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.

Built199729 years old
Length209.0 ft63.7 m
Daily traffic5,297counted 2011
Last inspectedAugust 2024every 24 months

Location

StateCalifornia
CountySanta Barbara
Location0.1 Mi S S.r. 101
CarriesLa Cumbre Road
CrossesUp Rr Amtrak Modoc RD
Coordinates34.43602, -119.75261

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length209.0 ft (63.7 m)
Max Span105.0 ft (32 m)
Deck Width76.8 ft (23.4 m)
Deck Area1490.6 sq m
Main Spans2
Year Built1997

Traffic

Avg Daily Traffic5,297 (2011)
Truck Traffic2%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number51C0321

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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