Structure 15215 · Delaware County, PA

West Ridley Avenue over Little Crum Creek

Carries West Ridley Avenue over Little Crum Creek, North Of US 13 35b13.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT76 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

76 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 box-beam bridge.

Built199828 years old
Length76.1 ft23.2 m
Daily traffic2,559counted 2023
Last inspectedJune 2022every 48 months

Location

StatePennsylvania
CountyDelaware
LocationNorth Of US 13 35b13
CarriesWest Ridley Avenue
CrossesLittle Crum Creek
Coordinates39.87537, -75.32994

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length76.1 ft (23.2 m)
Max Span75.1 ft (22.9 m)
Deck Width39.7 ft (12.1 m)
Deck Area280.7 sq m
Main Spans1
Year Built1998

Traffic

Avg Daily Traffic2,559 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000015215

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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