Structure 56 0273R · Riverside County, CA

Interstate 10 EB over Garnet Creek

Carries Interstate 10 EB over Garnet Creek, 08-riv-010-32.35.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT66 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

66 ft end to end, longest span 33 ft. Lengths and the car 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 slab bridge.

Built1955rebuilt 1967
Length65.6 ft20 m
Daily traffic42,500counted 2014
Last inspectedApril 2023every 24 months

Location

StateCalifornia
CountyRiverside
Location08-riv-010-32.35
CarriesInterstate 10 EB
CrossesGarnet Creek
Coordinates33.90499, -116.55888

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length65.6 ft (20 m)
Max Span33.1 ft (10.1 m)
Deck Width67.9 ft (20.7 m)
Deck Area414 sq m
Main Spans2
Year Built1955 (reconstructed 1967)

Traffic

Avg Daily Traffic42,500 (2014)
Truck Traffic25%
Lanes On Bridge4

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number56 0273R

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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