Structure 5903513 · Morrow County, OH

SR 529 over Big Run Creek

Carries SR 529 over Big Run Creek, 2.44 Mi E Of Marion Co.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 3 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating3/9 · Serious
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT67 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 3/9 · sets the rating

67 ft end to end, longest span 25 ft. 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 slab bridge.

Built195769 years old
Length66.9 ft20.4 m
Daily traffic2,540counted 2015
Last inspectedNovember 2024every 12 months

Location

StateOhio
CountyMorrow
Location2.44 Mi E Of Marion Co
CarriesSR 529
CrossesBig Run Creek
Coordinates40.51091, -82.91540

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length66.9 ft (20.4 m)
Max Span24.9 ft (7.6 m)
Deck Width32.2 ft (9.8 m)
Deck Area199.9 sq m
Main Spans3
Year Built1957

Traffic

Avg Daily Traffic2,540 (2015)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number5903513

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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