Structure 28C0006 · Contra Costa County, CA

Waterfront RD over Pacheco Slough

Carries Waterfront RD over Pacheco Slough, 0.3 Mi West Solano Way.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructure6/9 · Satisfactory
Substructure5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT753 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 6/9Substructure 5/9

753 ft end to end, longest span 88 ft: about 2.1 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 multi-beam bridge.

Built1948rebuilt 1965
Length753.0 ft229.5 m
Daily traffic2,409counted 2014
Last inspectedSeptember 2024every 24 months

Location

StateCalifornia
CountyContra Costa
Location0.3 Mi West Solano Way
CarriesWaterfront RD
CrossesPacheco Slough
Coordinates38.03128, -122.08172

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length753.0 ft (229.5 m)
Max Span88.3 ft (26.9 m)
Deck Width34.1 ft (10.4 m)
Deck Area2386.8 sq m
Main Spans2
Year Built1948 (reconstructed 1965)

Traffic

Avg Daily Traffic2,409 (2014)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number28C0006

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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