Structure 3035859 · Guernsey County, OH

Township Road 19 over Mannon Run

Carries Township Road 19 over Mannon Run, Township Road 19.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

22 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 rigid-frame bridge.

Built200917 years old
Length22.0 ft6.7 m
Daily traffic324counted 2015
Last inspectedJuly 2024every 24 months

Location

StateOhio
CountyGuernsey
LocationTownship Road 19
CarriesTownship Road 19
CrossesMannon Run
Coordinates39.89720, -81.65532

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length22.0 ft (6.7 m)
Max Span22.0 ft (6.7 m)
Deck Width20.0 ft (6.1 m)
Deck Area40.9 sq m
Main Spans1
Year Built2009

Traffic

Avg Daily Traffic324 (2015)
Truck Traffic7%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number3035859

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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