Structure 24C0006 · Sacramento County, CA

Jibboom Street over Up Rr Yard

Carries Jibboom Street over Up Rr Yard, North From I ST Viaduct.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT850 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

850 ft end to end, longest span 80 ft: about 2.4 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.

Built193690 years old
Length850.1 ft259.1 m
Daily traffic8,594counted 2014
Last inspectedOctober 2023every 24 months

Location

StateCalifornia
CountySacramento
LocationNorth From I ST Viaduct
CarriesJibboom Street
CrossesUp Rr Yard
Coordinates38.58591, -121.50482

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length850.1 ft (259.1 m)
Max Span80.1 ft (24.4 m)
Deck Width32.5 ft (9.9 m)
Deck Area2565.1 sq m
Main Spans17
Year Built1936

Traffic

Avg Daily Traffic8,594 (2014)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number24C0006

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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