Structure 33C0111 · Alameda County, CA

Decoto RD over Alameda Creek

Carries Decoto RD over Alameda Creek, NE Paseo Padre Pkway.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure8/9 · Very 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 FT337 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 8/9Substructure 7/9

337 ft end to end, longest span 84 ft: about 5 semi-trucks nose to tail. 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.

Built1967rebuilt 1985
Length337.3 ft102.8 m
Daily traffic35,700counted 2009
Last inspectedSeptember 2024every 24 months

Location

StateCalifornia
CountyAlameda
LocationNE Paseo Padre Pkway
CarriesDecoto RD
CrossesAlameda Creek
Coordinates37.57800, -122.02575

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length337.3 ft (102.8 m)
Max Span83.7 ft (25.5 m)
Deck Width100.1 ft (30.5 m)
Deck Area3135.4 sq m
Main Spans4
Year Built1967 (reconstructed 1985)

Traffic

Avg Daily Traffic35,700 (2009)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number33C0111

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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