Structure 35220 · Washington County, PA

SR 4057 over Buffalo Creek

Carries SR 4057 over Buffalo Creek, Blaine Township.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT87 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 4/9 · sets the rating

87 ft end to end, longest span 42 ft. 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 tee-beam bridge.

Built194680 years old
Length86.9 ft26.5 m
Daily traffic106counted 2023
Last inspectedJuly 2024every 24 months

Location

StatePennsylvania
CountyWashington
LocationBlaine Township
CarriesSR 4057
CrossesBuffalo Creek
Coordinates40.17023, -80.38641

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length86.9 ft (26.5 m)
Max Span42.0 ft (12.8 m)
Deck Width26.9 ft (8.2 m)
Deck Area217.3 sq m
Main Spans2
Year Built1946

Traffic

Avg Daily Traffic106 (2023)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000035220

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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