Structure 5707692 · Montgomery County, OH

Ir-75 over I-75 Over Ecm & 5th ST

Carries Ir-75 over I-75 Over Ecm & 5th ST, Jct SR 4.

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 FT379 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

379 ft end to end, longest span 128 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.

Built201214 years old
Length378.9 ft115.5 m
Daily traffic117,765counted 2015
Last inspectedSeptember 2023every 24 months

Location

StateOhio
CountyMontgomery
LocationJct SR 4
CarriesIr-75
CrossesI-75 Over Ecm & 5th ST
Coordinates39.75221, -84.20515

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length378.9 ft (115.5 m)
Max Span128.3 ft (39.1 m)
Deck Width178.8 ft (54.5 m)
Deck Area6294.8 sq m
Main Spans4
Year Built2012

Traffic

Avg Daily Traffic117,765 (2015)
Truck Traffic14%
Lanes On Bridge10
Lanes Under Bridge8

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number5707692

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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