Structure 52403 · Susquehanna County, PA

T-821 (old RT 11) over Norfolk Southern Rr

Carries T-821 (old RT 11) over Norfolk Southern Rr, T-821 Over Ns Railroad.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 3 of 9.

How ratings work
Deck4/9 · Poor
Superstructuresets the rating3/9 · Serious
Substructure4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT88 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 3/9 · sets the ratingSubstructure 4/9

88 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.

Built1914112 years old
Length87.9 ft26.8 m
Daily traffic400counted 2018
Last inspectedNovember 2023every 12 months

Location

StatePennsylvania
CountySusquehanna
LocationT-821 Over Ns Railroad
CarriesT-821 (old RT 11)
CrossesNorfolk Southern Rr
Coordinates41.94440, -75.73970

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length87.9 ft (26.8 m)
Max Span85.0 ft (25.9 m)
Deck Width24.0 ft (7.3 m)
Deck Area195.6 sq m
Main Spans1
Year Built1914

Traffic

Avg Daily Traffic400 (2018)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 12 months
OwnerRailroad
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000052403

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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