Structure 7360924 · Scioto County, OH

Harmon ST over Ns Rr

Carries Harmon ST over Ns Rr, 0.2 Mi S Of Us-52.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT570 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

570 ft end to end, longest span 99 ft: about 1.6 football fields. Lengths and the semi-truck 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 multi-beam bridge.

Built198838 years old
Length569.9 ft173.7 m
Daily traffic5,173counted 2018
Last inspectedJune 2024every 12 months

Location

StateOhio
CountyScioto
Location0.2 Mi S Of Us-52
CarriesHarmon ST
CrossesNs Rr
Coordinates38.73669, -82.97138

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length569.9 ft (173.7 m)
Max Span99.1 ft (30.2 m)
Deck Width58.1 ft (17.7 m)
Deck Area3074.5 sq m
Main Spans7
Year Built1988

Traffic

Avg Daily Traffic5,173 (2018)
Truck Traffic7%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 12 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number7360924

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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