Structure 53 0828 · Los Angeles County, CA

Interstate 710 over Los Angeles River

Carries Interstate 710 over Los Angeles River, 07-la-710-17.34-sgt.

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
SEMI-TRUCK · 72 FT574 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

574 ft end to end, longest span 150 ft: about 1.6 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.

Built1955rebuilt 1965
Length574.1 ft175 m
Daily traffic220,000counted 2017
Last inspectedMay 2024every 24 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-710-17.34-sgt
CarriesInterstate 710
CrossesLos Angeles River
Coordinates33.93502, -118.17601

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length574.1 ft (175 m)
Max Span149.9 ft (45.7 m)
Deck Width120.1 ft (36.6 m)
Deck Area6,405 sq m
Main Spans4
Year Built1955 (reconstructed 1965)

Traffic

Avg Daily Traffic220,000 (2017)
Truck Traffic14%
Lanes On Bridge8

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number53 0828

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.

Nearby Bridges