Structure 10003 · Chester County, PA

Exton Bypass(wb) over Ship Road

Carries Exton Bypass(wb) over Ship Road, 1.25 E.rte 100 22a12.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT94 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

94 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 multi-beam bridge.

Built199432 years old
Length94.2 ft28.7 m
Daily traffic21,142counted 2023
Last inspectedJune 2022every 48 months

Location

StatePennsylvania
CountyChester
Location1.25 E.rte 100 22a12
CarriesExton Bypass(wb)
CrossesShip Road
Coordinates40.02414, -75.60885

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length94.2 ft (28.7 m)
Max Span90.9 ft (27.7 m)
Deck Width43.6 ft (13.3 m)
Deck Area381.7 sq m
Main Spans1
Year Built1994

Traffic

Avg Daily Traffic21,142 (2023)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJune 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000010003

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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