Structure 39231 · Philadelphia County, PA

Strawberry Mansion over Skl Riv Kelly W Riv Stdr

Carries Strawberry Mansion over Skl Riv Kelly W Riv Stdr, Strawberry Mansion 3589j1.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,242 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

1,242 ft end to end, longest span 200 ft: about 3.5 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 deck arch.

Built1897rebuilt 1998
Length1242.1 ft378.6 m
Daily traffic12,580counted 2018
Last inspectedFebruary 2023every 24 months

Location

StatePennsylvania
CountyPhiladelphia
LocationStrawberry Mansion 3589j1
CarriesStrawberry Mansion
CrossesSkl Riv Kelly W Riv Stdr
Coordinates39.99535, -75.19388

Physical Characteristics

MaterialSteel Continuous
DesignArch - Deck
Total Length1242.1 ft (378.6 m)
Max Span200.1 ft (61 m)
Deck Width79.4 ft (24.2 m)
Deck Area9162.1 sq m
Main Spans4
Year Built1897 (reconstructed 1998)

Traffic

Avg Daily Traffic12,580 (2018)
Truck Traffic1%
Lanes On Bridge2
Lanes Under Bridge40

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour Critical8 — Stable, low risk
Structure Number000000000039231

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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