Structure 48577 · Lawrence County, PA

Mill Street over Neshannock Creek

Carries Mill Street over Neshannock Creek, .08 Mi S Of Ewashington.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT226 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

226 ft end to end, longest span 109 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck 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 multi-beam bridge.

Built201412 years old
Length226.0 ft68.9 m
Daily traffic6,153counted 2014
Last inspectedApril 2024every 24 months

Location

StatePennsylvania
CountyLawrence
Location.08 Mi S Of Ewashington
CarriesMill Street
CrossesNeshannock Creek
Coordinates40.99853, -80.34425

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length226.0 ft (68.9 m)
Max Span108.9 ft (33.2 m)
Deck Width38.1 ft (11.6 m)
Deck Area799.2 sq m
Main Spans2
Year Built2014

Traffic

Avg Daily Traffic6,153 (2014)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000048577

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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