Structure 19412 · Indiana County, PA

Sr4026 over Mahoning Creek

Carries Sr4026 over Mahoning Creek, North Point.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
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
SEMI-TRUCK · 72 FT234 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

234 ft end to end, longest span 76 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 box-beam bridge.

Built1961rebuilt 2010
Length233.9 ft71.3 m
Daily traffic87counted 2023
Last inspectedMarch 2023every 24 months

Location

StatePennsylvania
CountyIndiana
LocationNorth Point
CarriesSr4026
CrossesMahoning Creek
Coordinates40.90180, -79.12489

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length233.9 ft (71.3 m)
Max Span76.1 ft (23.2 m)
Deck Width33.5 ft (10.2 m)
Deck Area727.3 sq m
Main Spans3
Year Built1961 (reconstructed 2010)

Traffic

Avg Daily Traffic87 (2023)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number000000000019412

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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