Structure 39166 · Philadelphia County, PA

Johnson Street over Septa

Carries Johnson Street over Septa, N Of Wayne AVE 17b09.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 6/9Substructure 6/9

45 ft end to end. Lengths and the car 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 deck arch.

Built1909117 years old
Length44.9 ft13.7 m
Daily traffic2,000counted 1990
Last inspectedMay 2023every 24 months

Location

StatePennsylvania
CountyPhiladelphia
LocationN Of Wayne AVE 17b09
CarriesJohnson Street
CrossesSepta
Coordinates40.03900, -75.18930

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length44.9 ft (13.7 m)
Max Span44.9 ft (13.7 m)
Deck Width49.9 ft (15.2 m)
Deck Area208.2 sq m
Main Spans1
Year Built1909

Traffic

Avg Daily Traffic2,000 (1990)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerRailroad
Historical SignificanceBridge is eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000039166

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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