Structure 3116646 · Hamilton County, OH

Struble RD C99 over I275

Carries Struble RD C99 over I275, .8 Mi E Of US 27.

Overall conditionGood

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

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT331 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

331 ft end to end, longest span 99 ft: about 5 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.

Built197155 years old
Length331.4 ft101 m
Daily traffic6,814counted 2015
Last inspectedJanuary 2025every 24 months

Location

StateOhio
CountyHamilton
Location.8 Mi E Of US 27
CarriesStruble RD C99
CrossesI275
Coordinates39.26422, -84.58915

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length331.4 ft (101 m)
Max Span99.4 ft (30.3 m)
Deck Width40.0 ft (12.2 m)
Deck Area1232.2 sq m
Main Spans4
Year Built1971

Traffic

Avg Daily Traffic6,814 (2015)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number3116646

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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