Structure 3112691 · Hamilton County, OH

WB Ir 275 over Enterprise / Depot Drive

Carries WB Ir 275 over Enterprise / Depot Drive, 1.5 Mi E Of Ir 75.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT184 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

184 ft end to end, longest span 70 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.

Built1960rebuilt 2009
Length184.1 ft56.1 m
Daily traffic51,331counted 2015
Last inspectedMarch 2023every 24 months

Location

StateOhio
CountyHamilton
Location1.5 Mi E Of Ir 75
CarriesWB Ir 275
CrossesEnterprise / Depot Drive
Coordinates39.28482, -84.41554

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length184.1 ft (56.1 m)
Max Span69.9 ft (21.3 m)
Deck Width62.3 ft (19 m)
Deck Area1065.9 sq m
Main Spans3
Year Built1960 (reconstructed 2009)

Traffic

Avg Daily Traffic51,331 (2015)
Truck Traffic6%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number3112691

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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