Structure 6100260 · Noble County, OH

Ir 77 over Stream

Carries Ir 77 over Stream, 3.6m N Wash. Co. Line.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 22 ft across with 2 openings. 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, so those are drawn as typical for a culvert.

Built196957 years old
Length22.0 ft6.7 m
Daily traffic8,997counted 2015
Last inspectedSeptember 2024every 12 months

Location

StateOhio
CountyNoble
Location3.6m N Wash. Co. Line
CarriesIr 77
CrossesStream
Coordinates39.68896, -81.49718

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length22.0 ft (6.7 m)
Max Span8.9 ft (2.7 m)
Deck Area97.8 sq m
Main Spans2
Year Built1969

Traffic

Avg Daily Traffic8,997 (2015)
Truck Traffic24%
Lanes On Bridge4

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number6100260

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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