Structure 8000271 · Union County, OH

SR 4 over Bokes CR

Carries SR 4 over Bokes CR, 0.95 Mi. N. Of Sr347.

Overall conditionGood

Set by its lowest-rated component: Substructure at 8 of 9.

How ratings work
Deck9/9 · Excellent
Superstructure9/9 · Excellent
Substructuresets the rating8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT214 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 8/9 · sets the rating

214 ft end to end, longest span 80 ft: about 3 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.

Built1955rebuilt 2008
Length214.2 ft65.3 m
Daily traffic6,733counted 2015
Last inspectedJanuary 2023every 24 months

Location

StateOhio
CountyUnion
Location0.95 Mi. N. Of Sr347
CarriesSR 4
CrossesBokes CR
Coordinates40.34812, -83.30403

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length214.2 ft (65.3 m)
Max Span80.1 ft (24.4 m)
Deck Width34.1 ft (10.4 m)
Deck Area679.1 sq m
Main Spans3
Year Built1955 (reconstructed 2008)

Traffic

Avg Daily Traffic6,733 (2015)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number8000271

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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