Structure 2508680 · Franklin County, OH

SR 104 over Big Run

Carries SR 104 over Big Run, 1.22 Mi N Of Sr270.

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
Substructure8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT94 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 8/9

94 ft end to end, longest span 30 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 box-beam bridge.

Built199234 years old
Length94.5 ft28.8 m
Daily traffic12,918counted 2015
Last inspectedOctober 2024every 12 months

Location

StateOhio
CountyFranklin
Location1.22 Mi N Of Sr270
CarriesSR 104
CrossesBig Run
Coordinates39.90313, -83.02480

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length94.5 ft (28.8 m)
Max Span29.9 ft (9.1 m)
Deck Width40.0 ft (12.2 m)
Deck Area351.4 sq m
Main Spans3
Year Built1992

Traffic

Avg Daily Traffic12,918 (2015)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number2508680

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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