Structure 18C0009 · Sutter County, CA

Pleasant Grove RD over Bear River

Carries Pleasant Grove RD over Bear River, 0.4 Mi N/o Bear River DR.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT566 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 7/9

566 ft end to end, longest span 120 ft: about 1.6 football fields. 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.

Built196165 years old
Length565.9 ft172.5 m
Daily traffic2,081counted 2015
Last inspectedFebruary 2025every 24 months

Location

StateCalifornia
CountySutter
Location0.4 Mi N/o Bear River DR
CarriesPleasant Grove RD
CrossesBear River
Coordinates38.98402, -121.48756

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length565.9 ft (172.5 m)
Max Span120.1 ft (36.6 m)
Deck Width35.8 ft (10.9 m)
Deck Area1880.2 sq m
Main Spans3
Year Built1961

Traffic

Avg Daily Traffic2,081 (2015)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number18C0009

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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