Structure 56 0787 · Riverside County, CA

Cook Street over Interstate 10

Carries Cook Street over Interstate 10, 08-riv-010-46.90-pdst.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT256 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 7/9

256 ft end to end, longest span 135 ft: about 4 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 box-beam bridge.

Built199828 years old
Length255.9 ft78 m
Daily traffic6,500counted 2014
Last inspectedOctober 2023every 24 months

Location

StateCalifornia
CountyRiverside
Location08-riv-010-46.90-pdst
CarriesCook Street
CrossesInterstate 10
Coordinates33.78645, -116.35465

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length255.9 ft (78 m)
Max Span134.8 ft (41.1 m)
Deck Width109.9 ft (33.5 m)
Deck Area2,613 sq m
Main Spans2
Year Built1998

Traffic

Avg Daily Traffic6,500 (2014)
Truck Traffic14%
Lanes On Bridge7
Lanes Under Bridge7

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number56 0787

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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