Structure 2375 · Allegheny County, PA

Mcintyre RD over Deer Creek

Carries Mcintyre RD over Deer Creek, De13 Deer Creek No. 13.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT34 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

34 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.

Built1889rebuilt 1979
Length34.1 ft10.4 m
Daily traffic88counted 2005
Last inspectedOctober 2023every 24 months

Location

StatePennsylvania
CountyAllegheny
LocationDe13 Deer Creek No. 13
CarriesMcintyre RD
CrossesDeer Creek
Coordinates40.63162, -79.91024

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length34.1 ft (10.4 m)
Max Span30.8 ft (9.4 m)
Deck Width24.9 ft (7.6 m)
Deck Area79.0 sq m
Main Spans1
Year Built1889 (reconstructed 1979)

Traffic

Avg Daily Traffic88 (2005)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000000000002375

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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