Structure 7104413 · Ross County, OH

State Route 159 over US Route 23

Carries State Route 159 over US Route 23, At Jct Of US 23.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT322 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

322 ft end to end, longest span 85 ft: about 4 semi-trucks nose to tail. 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.

Built1971rebuilt 1998
Length321.9 ft98.1 m
Daily traffic19,745counted 2015
Last inspectedDecember 2024every 12 months

Location

StateOhio
CountyRoss
LocationAt Jct Of US 23
CarriesState Route 159
CrossesUS Route 23
Coordinates39.38772, -82.96974

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length321.9 ft (98.1 m)
Max Span85.0 ft (25.9 m)
Deck Width86.9 ft (26.5 m)
Deck Area2599.7 sq m
Main Spans4
Year Built1971 (reconstructed 1998)

Traffic

Avg Daily Traffic19,745 (2015)
Truck Traffic6%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number7104413

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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