Structure 21794 · Lancaster County, PA

Lr 36169 SR 1059 over Pa Tpk (i-76)

Carries Lr 36169 SR 1059 over Pa Tpk (i-76), 1mi Sof Swartzville.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT115 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

115 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 girder bridge.

Built195076 years old
Length115.2 ft35.1 m
Daily traffic2,304counted 2024
Last inspectedApril 2023every 24 months

Location

StatePennsylvania
CountyLancaster
Location1mi Sof Swartzville
CarriesLr 36169 SR 1059
CrossesPa Tpk (i-76)
Coordinates40.21745, -76.07961

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length115.2 ft (35.1 m)
Max Span109.9 ft (33.5 m)
Deck Width28.2 ft (8.6 m)
Deck Area301.9 sq m
Main Spans1
Year Built1950

Traffic

Avg Daily Traffic2,304 (2024)
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000021794

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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