Structure 53 1393R · Los Angeles County, CA

ST RTE 60 EB over I-5 Conn Ramp

Carries ST RTE 60 EB over I-5 Conn Ramp, 07-la-060-r0.63-la.

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 FT1,493 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 7/9

1,493 ft end to end, longest span 150 ft: about 4.1 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.

Built196561 years old
Length1493.1 ft455.1 m
Daily traffic108,500counted 2019
Last inspectedOctober 2023every 24 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-060-r0.63-la
CarriesST RTE 60 EB
CrossesI-5 Conn Ramp
Coordinates34.02916, -118.21525

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length1493.1 ft (455.1 m)
Max Span149.9 ft (45.7 m)
Deck Width66.6 ft (20.3 m)
Deck Area9238.5 sq m
Main Spans13
Year Built1965

Traffic

Avg Daily Traffic108,500 (2019)
Truck Traffic5%
Lanes On Bridge5
Lanes Under Bridge10

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 Number53 1393R

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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