Structure 37007 · Westmoreland County, PA

West Leechburg ST over Kiskiminetas River

Carries West Leechburg ST over Kiskiminetas River, 700 Ft West Of SR 66.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT704 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

704 ft end to end, longest span 149 ft: about 2.0 football fields. 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 through truss.

Built1938rebuilt 1992
Length704.1 ft214.6 m
Daily traffic50counted 2014
Last inspectedOctober 2022every 24 months

Location

StatePennsylvania
CountyWestmoreland
Location700 Ft West Of SR 66
CarriesWest Leechburg ST
CrossesKiskiminetas River
Coordinates40.63458, -79.60905

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length704.1 ft (214.6 m)
Max Span149.0 ft (45.4 m)
Deck Width28.5 ft (8.7 m)
Deck Area1867.0 sq m
Main Spans4
Year Built1938 (reconstructed 1992)

Traffic

Avg Daily Traffic50 (2014)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000000000037007

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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