Structure 3368 · Armstrong County, PA

T-531 Sotos Road over Glade Run

Carries T-531 Sotos Road over Glade Run, 1 Mile East Of Sr3007.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT33 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

33 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 slab bridge.

Built199234 years old
Length33.1 ft10.1 m
Daily traffic50counted 2006
Last inspectedMay 2023every 24 months

Location

StatePennsylvania
CountyArmstrong
Location1 Mile East Of Sr3007
CarriesT-531 Sotos Road
CrossesGlade Run
Coordinates40.81585, -79.57013

Physical Characteristics

MaterialWood or Timber
DesignSlab
Total Length33.1 ft (10.1 m)
Max Span32.2 ft (9.8 m)
Deck Width20.0 ft (6.1 m)
Deck Area61.6 sq m
Main Spans1
Year Built1992

Traffic

Avg Daily Traffic50 (2006)
Truck Traffic9%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000003368

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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