Structure 7061366 · Richland County, OH

Trimble Road over Norfolk Southern Rr

Carries Trimble Road over Norfolk Southern Rr, 0.8mi N Of Park AVE Sr430.

Overall conditionGood

Set by its lowest-rated component: Deck at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT148 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

148 ft end to end, longest span 56 ft: about 2 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.

Built1962rebuilt 1997
Length148.0 ft45.1 m
Daily traffic15,285counted 2015
Last inspectedJuly 2023every 24 months

Location

StateOhio
CountyRichland
Location0.8mi N Of Park AVE Sr430
CarriesTrimble Road
CrossesNorfolk Southern Rr
Coordinates40.77047, -82.55169

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length148.0 ft (45.1 m)
Max Span56.1 ft (17.1 m)
Deck Width52.2 ft (15.9 m)
Deck Area717.1 sq m
Main Spans3
Year Built1962 (reconstructed 1997)

Traffic

Avg Daily Traffic15,285 (2015)
Truck Traffic7%
Lanes On Bridge3

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number7061366

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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