Structure 7779 · Butler County, PA

Sr0008 over Armco Plant Road

Carries Sr0008 over Armco Plant Road, South Of Butler.

Overall conditionFair

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

How ratings work
Culvertsets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT35 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 35 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.

Built196561 years old
Length35.1 ft10.7 m
Daily traffic15,629counted 2024
Last inspectedMarch 2023every 24 months

Location

StatePennsylvania
CountyButler
LocationSouth Of Butler
CarriesSr0008
CrossesArmco Plant Road
Coordinates40.82650, -79.92710

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length35.1 ft (10.7 m)
Max Span33.1 ft (10.1 m)
Deck Width96.1 ft (29.3 m)
Deck Area313.5 sq m
Main Spans1
Year Built1965

Traffic

Avg Daily Traffic15,629 (2024)
Truck Traffic16%
Lanes On Bridge6
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerPrivate
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000007779

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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