Structure 4237617 · Knox County, OH

Mile Creek Road over Mile Creek

Carries Mile Creek Road over Mile Creek, 0.1 Mi South Of Sparta RD.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 2 of 9.

How ratings work
Deck3/9 · Serious
Superstructuresets the rating2/9 · Critical
Substructure3/9 · Serious
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT52 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9Superstructure 2/9 · sets the ratingSubstructure 3/9

52 ft end to end, longest span 16 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 through truss.

Built1926rebuilt 1975
Length52.2 ft15.9 m
Daily traffic155counted 2015
Last inspectedAugust 2024every 12 months

Location

StateOhio
CountyKnox
Location0.1 Mi South Of Sparta RD
CarriesMile Creek Road
CrossesMile Creek
Coordinates40.44078, -82.60795

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length52.2 ft (15.9 m)
Max Span16.1 ft (4.9 m)
Deck Width14.1 ft (4.3 m)
Deck Area68.4 sq m
Main Spans3
Year Built1926 (reconstructed 1975)

Traffic

Avg Daily Traffic155 (2015)
Truck Traffic8%
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number4237617

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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