Structure 69671 · Philadelphia County, PA

Basin Bridge RD over Reserve Basin

Carries Basin Bridge RD over Reserve Basin, W. End Phila. Rsrve Basin.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT395 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 5/9 · sets the rating

395 ft end to end: about 5 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 lift bridge (drawn closed).

Built1941rebuilt 2003
Length395.0 ft120.4 m
Daily traffic75counted 2010
Last inspectedAugust 2022every 24 months

Location

StatePennsylvania
CountyPhiladelphia
LocationW. End Phila. Rsrve Basin
CarriesBasin Bridge RD
CrossesReserve Basin
Coordinates39.89331, -75.19103

Physical Characteristics

MaterialSteel
DesignMovable - Lift
Total Length395.0 ft (120.4 m)
Max Span240.2 ft (73.2 m)
Deck Width41.0 ft (12.5 m)
Deck Area1,505 sq m
Main Spans1
Year Built1941 (reconstructed 2003)

Traffic

Avg Daily Traffic75 (2010)
Truck Traffic50%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2022
Inspection FrequencyEvery 24 months
OwnerPrivate
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000069671

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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