Structure 5044278 · Mahoning County, OH

Calla Rd. over Mill Creek

Carries Calla Rd. over Mill Creek, 0.1mi.w Of S.r.534.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT35 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

35 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.

Built1981rebuilt 2006
Length35.1 ft10.7 m
Daily traffic209counted 2015
Last inspectedOctober 2024every 12 months

Location

StateOhio
CountyMahoning
Location0.1mi.w Of S.r.534
CarriesCalla Rd.
CrossesMill Creek
Coordinates40.97406, -80.95432

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length35.1 ft (10.7 m)
Max Span34.1 ft (10.4 m)
Deck Width27.9 ft (8.5 m)
Deck Area91.0 sq m
Main Spans1
Year Built1981 (reconstructed 2006)

Traffic

Avg Daily Traffic209 (2015)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number5044278

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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