Structure 3109275 · Hamilton County, OH

Ir 75 over Liberty Street

Carries Ir 75 over Liberty Street, 1.2 Mi N Of SR 264.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT199 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

199 ft end to end, longest span 55 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.

Built196165 years old
Length199.1 ft60.7 m
Daily traffic143,847counted 2015
Last inspectedOctober 2024every 12 months

Location

StateOhio
CountyHamilton
Location1.2 Mi N Of SR 264
CarriesIr 75
CrossesLiberty Street
Coordinates39.11359, -84.53161

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length199.1 ft (60.7 m)
Max Span55.1 ft (16.8 m)
Deck Width154.9 ft (47.2 m)
Deck Area2865.0 sq m
Main Spans4
Year Built1961

Traffic

Avg Daily Traffic143,847 (2015)
Truck Traffic16%
Lanes On Bridge6
Lanes Under Bridge6

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number3109275

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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