Structure 41005 · Luzerne County, PA

Tr 309 NB On Ramp over Luz&susq Rr; Susq River

Carries Tr 309 NB On Ramp over Luz&susq Rr; Susq River, Plains Twp Jct River ST.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT820 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

820 ft end to end, longest span 195 ft: about 2.3 football fields. 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 girder bridge.

Built1976rebuilt 2019
Length819.9 ft249.9 m
Daily traffic5,551counted 2024
Last inspectedOctober 2022every 24 months

Location

StatePennsylvania
CountyLuzerne
LocationPlains Twp Jct River ST
CarriesTr 309 NB On Ramp
CrossesLuz&susq Rr; Susq River
Coordinates41.26700, -75.86456

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length819.9 ft (249.9 m)
Max Span194.9 ft (59.4 m)
Deck Width28.5 ft (8.7 m)
Deck Area2174.1 sq m
Main Spans4
Year Built1976 (reconstructed 2019)

Traffic

Avg Daily Traffic5,551 (2024)
Truck Traffic7%
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000041005

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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