Structure 68536 · Butler County, PA

T-573 Wylie Road over Rocky Run

Carries T-573 Wylie Road over Rocky Run, Int With SR 2007.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 28 ft across. 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, so those are drawn as typical for a culvert.

Built20215 years old
Length27.9 ft8.5 m
Daily traffic200counted 2018
Last inspectedOctober 2023every 24 months

Location

StatePennsylvania
CountyButler
LocationInt With SR 2007
CarriesT-573 Wylie Road
CrossesRocky Run
Coordinates40.69953, -79.84564

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length27.9 ft (8.5 m)
Max Span24.9 ft (7.6 m)
Deck Width26.6 ft (8.1 m)
Deck Area68.8 sq m
Main Spans1
Year Built2021

Traffic

Avg Daily Traffic200 (2018)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000068536

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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