Structure 8033234 · Union County, OH

T75c N Darby Coe over Branch Big Darby

Carries T75c N Darby Coe over Branch Big Darby, 0.5mi East Of Collins RD.

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

37 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.

Built201313 years old
Length37.1 ft11.3 m
Daily traffic946counted 2015
Last inspectedOctober 2024every 24 months

Location

StateOhio
CountyUnion
Location0.5mi East Of Collins RD
CarriesT75c N Darby Coe
CrossesBranch Big Darby
Coordinates40.19580, -83.45975

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length37.1 ft (11.3 m)
Max Span34.1 ft (10.4 m)
Deck Width24.0 ft (7.3 m)
Deck Area82.5 sq m
Main Spans1
Year Built2013

Traffic

Avg Daily Traffic946 (2015)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number8033234

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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