Structure 53 2735 · Los Angeles County, CA

I 110 Hov Lanes over I 110 30th 28th

Carries I 110 Hov Lanes over I 110 30th 28th, 07-la-110-20.33-la.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,915 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

2,915 ft end to end, longest span 120 ft: about 8.1 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 box-beam bridge.

Built199630 years old
Length2914.7 ft888.4 m
Daily traffic—reported figure implausible
Last inspectedSeptember 2023every 24 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-110-20.33-la
CarriesI 110 Hov Lanes
CrossesI 110 30th 28th
Coordinates34.02127, -118.27787

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length2914.7 ft (888.4 m)
Max Span120.1 ft (36.6 m)
Deck Width66.9 ft (20.4 m)
Deck Area18123.4 sq m
Main Spans27
Year Built1996

Traffic

Avg Daily Traffic244,600 (2022)
That is about 122,300 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge14

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53 2735

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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