Structure 2794 · Allegheny County, PA

Ramp D over Rodi RD NB

Carries Ramp D over Rodi RD NB, Ramp D Over Rodi Rd.n.b..

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT47 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

47 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.

Built1962rebuilt 1977
Length46.9 ft14.3 m
Daily traffic2,261counted 2024
Last inspectedJuly 2023every 24 months

Location

StatePennsylvania
CountyAllegheny
LocationRamp D Over Rodi Rd.n.b.
CarriesRamp D
CrossesRodi RD NB
Coordinates40.44152, -79.82845

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length46.9 ft (14.3 m)
Max Span44.0 ft (13.4 m)
Deck Width34.1 ft (10.4 m)
Deck Area148.7 sq m
Main Spans1
Year Built1962 (reconstructed 1977)

Traffic

Avg Daily Traffic2,261 (2024)
Truck Traffic7%
Lanes On Bridge1
Lanes Under Bridge1

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000002794

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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