Structure 18C0099 · Sutter County, CA

Archer Road over Sutter-butte Canal

Carries Archer Road over Sutter-butte Canal, 0.3 Mi E Of Kent Road.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure7/9 · Good
Substructure5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT52 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 7/9Substructure 5/9

52 ft end to end, longest span 17 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 multi-beam bridge.

Built195076 years old
Length51.8 ft15.8 m
Daily traffic43counted 2015
Last inspectedFebruary 2024every 24 months

Location

StateCalifornia
CountySutter
Location0.3 Mi E Of Kent Road
CarriesArcher Road
CrossesSutter-butte Canal
Coordinates39.27207, -121.63563

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length51.8 ft (15.8 m)
Max Span17.1 ft (5.2 m)
Deck Width18.0 ft (5.5 m)
Deck Area86.9 sq m
Main Spans3
Year Built1950

Traffic

Avg Daily Traffic43 (2015)
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number18C0099

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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