Structure 2068 · Allegheny County, PA

Pa Tpk (i-76) over T-600

Carries Pa Tpk (i-76) over T-600, East Of Butler Val Intg.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

28 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 tee-beam bridge.

Built1952rebuilt 2019
Length27.9 ft8.5 m
Daily traffic31,140counted 2008
Last inspectedApril 2024every 24 months

Location

StatePennsylvania
CountyAllegheny
LocationEast Of Butler Val Intg
CarriesPa Tpk (i-76)
CrossesT-600
Coordinates40.60741, -79.94281

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length27.9 ft (8.5 m)
Max Span24.0 ft (7.3 m)
Deck Width126.0 ft (38.4 m)
Deck Area326.4 sq m
Main Spans1
Year Built1952 (reconstructed 2019)

Traffic

Avg Daily Traffic31,140 (2008)
Truck Traffic21%
Lanes On Bridge6
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000002068

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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