Structure 2585 · Allegheny County, PA

Center Av over Camp Horne RD Lowries Rn

Carries Center Av over Camp Horne RD Lowries Rn, P50004 Emsworth - Pt05.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT580 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

580 ft end to end: about 1.6 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 deck arch.

Built1973rebuilt 2017
Length580.1 ft176.8 m
Daily traffic3,500counted 2006
Last inspectedApril 2023every 24 months

Location

StatePennsylvania
CountyAllegheny
LocationP50004 Emsworth - Pt05
CarriesCenter Av
CrossesCamp Horne RD Lowries Rn
Coordinates40.51263, -80.09293

Physical Characteristics

MaterialSteel
DesignArch - Deck
Total Length580.1 ft (176.8 m)
Max Span280.8 ft (85.6 m)
Deck Width39.0 ft (11.9 m)
Deck Area2103.9 sq m
Main Spans1
Year Built1973 (reconstructed 2017)

Traffic

Avg Daily Traffic3,500 (2006)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerOther Local Agencies
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000002585

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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