Structure 7032587 · Richland County, OH

Rock Rd. over Black Fork Mohican River

Carries Rock Rd. over Black Fork Mohican River, 300 Ft. So. Of Stiving RD.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

37 ft end to end. 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 rigid-frame bridge.

Built199432 years old
Length37.1 ft11.3 m
Daily traffic1,680counted 2015
Last inspectedMay 2024every 24 months

Location

StateOhio
CountyRichland
Location300 Ft. So. Of Stiving RD
CarriesRock Rd.
CrossesBlack Fork Mohican River
Coordinates40.82205, -82.62913

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length37.1 ft (11.3 m)
Max Span33.8 ft (10.3 m)
Deck Width40.0 ft (12.2 m)
Deck Area137.9 sq m
Main Spans1
Year Built1994

Traffic

Avg Daily Traffic1,680 (2015)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number7032587

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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