Structure 8C0208 · Tehama County, CA

Finnell AVE over Corning Canal

Carries Finnell AVE over Corning Canal, 0.5 Mi E Rawson RD.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT61 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

61 ft end to end, longest span 29 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 slab bridge.

Built196462 years old
Length61.0 ft18.6 m
Daily traffic508counted 2021
Last inspectedDecember 2023every 24 months

Location

StateCalifornia
CountyTehama
Location0.5 Mi E Rawson RD
CarriesFinnell AVE
CrossesCorning Canal
Coordinates39.95707, -122.20675

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length61.0 ft (18.6 m)
Max Span28.9 ft (8.8 m)
Deck Width25.6 ft (7.8 m)
Deck Area145.1 sq m
Main Spans2
Year Built1964

Traffic

Avg Daily Traffic508 (2021)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number08C0208

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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