Structure 22504 · Lawrence County, PA

Pa Tpk (i-76) over T-306

Carries Pa Tpk (i-76) over T-306, Near Ohio Line.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT53 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

53 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.

Built200620 years old
Length53.1 ft16.2 m
Daily traffic21,767counted 2004
Last inspectedApril 2022every 48 months

Location

StatePennsylvania
CountyLawrence
LocationNear Ohio Line
CarriesPa Tpk (i-76)
CrossesT-306
Coordinates40.90526, -80.50047

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length53.1 ft (16.2 m)
Max Span48.9 ft (14.9 m)
Deck Width109.3 ft (33.3 m)
Deck Area539.5 sq m
Main Spans1
Year Built2006

Traffic

Avg Daily Traffic21,767 (2004)
Truck Traffic21%
Lanes On Bridge5
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2022
Inspection FrequencyEvery 48 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000000022504

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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