Structure 24529 · Lycoming County, PA

SR 0015 NB over 3rd ST & Seda-cog Rr

Carries SR 0015 NB over 3rd ST & Seda-cog Rr, City Of Williamsport.

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
SEMI-TRUCK · 72 FT189 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

189 ft end to end, longest span 92 ft: about 3 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 multi-beam bridge.

Built197452 years old
Length189.0 ft57.6 m
Daily traffic12,786counted 2024
Last inspectedJanuary 2023every 24 months

Location

StatePennsylvania
CountyLycoming
LocationCity Of Williamsport
CarriesSR 0015 NB
Crosses3rd ST & Seda-cog Rr
Coordinates41.23689, -77.04656

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length189.0 ft (57.6 m)
Max Span91.9 ft (28 m)
Deck Width63.0 ft (19.2 m)
Deck Area1105.9 sq m
Main Spans2
Year Built1974

Traffic

Avg Daily Traffic12,786 (2024)
Truck Traffic17%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000024529

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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