Structure 56 0435 · Riverside County, CA

State Route 79 over Interstate 10

Carries State Route 79 over Interstate 10, 08-riv-079-40.43-bau.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT240 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 7/9

240 ft end to end, longest span 78 ft: about 3 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.

Built196165 years old
Length240.5 ft73.3 m
Daily traffic27,030counted 2016
Last inspectedJune 2023every 24 months

Location

StateCalifornia
CountyRiverside
Location08-riv-079-40.43-bau
CarriesState Route 79
CrossesInterstate 10
Coordinates33.92667, -116.97706

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length240.5 ft (73.3 m)
Max Span78.1 ft (23.8 m)
Deck Width74.1 ft (22.6 m)
Deck Area1656.6 sq m
Main Spans4
Year Built1961

Traffic

Avg Daily Traffic27,030 (2016)
Truck Traffic10%
Lanes On Bridge5
Lanes Under Bridge8

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number56 0435

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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