Structure 2901749 · Greene County, OH

NB Ir 71 over W Branch Rattlesnake Crk

Carries NB Ir 71 over W Branch Rattlesnake Crk, 1.5 Mi S Gre-fay Co Line.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT73 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 8/9Substructure 6/9 · sets the rating

73 ft end to end, longest span 27 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.

Built1964rebuilt 2006
Length73.2 ft22.3 m
Daily traffic20,152counted 2018
Last inspectedMarch 2024every 12 months

Location

StateOhio
CountyGreene
Location1.5 Mi S Gre-fay Co Line
CarriesNB Ir 71
CrossesW Branch Rattlesnake Crk
Coordinates39.57558, -83.68967

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length73.2 ft (22.3 m)
Max Span26.9 ft (8.2 m)
Deck Width65.0 ft (19.8 m)
Deck Area441.5 sq m
Main Spans3
Year Built1964 (reconstructed 2006)

Traffic

Avg Daily Traffic20,152 (2018)
Truck Traffic27%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number2901749

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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