Structure 53 1726 · Los Angeles County, CA

Reyes Adobe RD over US 101

Carries Reyes Adobe RD over US 101, 07-la-101-36.18-agrh.

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 FT221 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

221 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 multi-beam bridge.

Built1965rebuilt 2011
Length221.1 ft67.4 m
Daily traffic5,500counted 2018
Last inspectedMay 2024every 24 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-101-36.18-agrh
CarriesReyes Adobe RD
CrossesUS 101
Coordinates34.14661, -118.78100

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length221.1 ft (67.4 m)
Max Span78.1 ft (23.8 m)
Deck Width95.8 ft (29.2 m)
Deck Area1968.1 sq m
Main Spans4
Year Built1965 (reconstructed 2011)

Traffic

Avg Daily Traffic5,500 (2018)
Truck Traffic1%
Lanes On Bridge6
Lanes Under Bridge8

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53 1726

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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