Structure 2 0024 · Siskiyou County, CA

State Route 96 over Sandy Bar Creek

Carries State Route 96 over Sandy Bar Creek, 02-sis-096-r9.11.

Overall conditionGood

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

How ratings work
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 8/9Substructure 7/9 · sets the rating

26 ft end to end, longest span 10 ft. 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 deck arch.

Built194284 years old
Length25.9 ft7.9 m
Daily traffic330counted 2009
Last inspectedSeptember 2024every 24 months

Location

StateCalifornia
CountySiskiyou
Location02-sis-096-r9.11
CarriesState Route 96
CrossesSandy Bar Creek
Coordinates41.48731, -123.51493

Physical Characteristics

MaterialSteel
DesignArch - Deck
Total Length25.9 ft (7.9 m)
Max Span9.8 ft (3 m)
Deck Area64.8 sq m
Main Spans2
Year Built1942

Traffic

Avg Daily Traffic330 (2009)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number02 0024

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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