Structure 1464 · Allegheny County, PA

Burtner Road over Little Bull Creek

Carries Burtner Road over Little Bull Creek, 300 SE Of SR 0028.

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 FT37 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

37 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 box-beam bridge.

Built1970rebuilt 2011
Length37.1 ft11.3 m
Daily traffic11,736counted 2024
Last inspectedJanuary 2023every 24 months

Location

StatePennsylvania
CountyAllegheny
Location300 SE Of SR 0028
CarriesBurtner Road
CrossesLittle Bull Creek
Coordinates40.63090, -79.73080

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length37.1 ft (11.3 m)
Max Span36.1 ft (11 m)
Deck Width54.1 ft (16.5 m)
Deck Area186.4 sq m
Main Spans1
Year Built1970 (reconstructed 2011)

Traffic

Avg Daily Traffic11,736 (2024)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number000000000001464

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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