Structure 4637453 · Logan County, OH

Township Road 80 over Muchinippi Creek

Carries Township Road 80 over Muchinippi Creek, 0.45 Mi East Of CR 21.

Overall conditionGood

Set by its lowest-rated component: Substructure at 8 of 9.

How ratings work
Deck9/9 · Excellent
Superstructure9/9 · Excellent
Substructuresets the rating8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT102 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 8/9 · sets the rating

102 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 through truss.

Built201214 years old
Length102.0 ft31.1 m
Daily traffic79counted 2015
Last inspectedMay 2024every 12 months

Location

StateOhio
CountyLogan
Location0.45 Mi East Of CR 21
CarriesTownship Road 80
CrossesMuchinippi Creek
Coordinates40.43196, -83.93728

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length102.0 ft (31.1 m)
Max Span100.1 ft (30.5 m)
Deck Width24.0 ft (7.3 m)
Deck Area227.0 sq m
Main Spans1
Year Built2012

Traffic

Avg Daily Traffic79 (2015)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number4637453

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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