Structure 5707854 · Montgomery County, OH

I-75NB Rmp C1-2nd over Third St. Cr-194a

Carries I-75NB Rmp C1-2nd over Third St. Cr-194a, 0.25mi. N. Of Jct. Sr-4.

Overall conditionGood

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

How ratings work
Deck9/9 · Excellent
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 FT149 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 8/9 · sets the ratingSubstructure 8/9 · sets the rating

149 ft end to end: about 2 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.

Built201610 years old
Length148.6 ft45.3 m
Daily traffic20,100counted 2005
Last inspectedOctober 2023every 24 months

Location

StateOhio
CountyMontgomery
Location0.25mi. N. Of Jct. Sr-4
CarriesI-75NB Rmp C1-2nd
CrossesThird St. Cr-194a
Coordinates39.75765, -84.20225

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length148.6 ft (45.3 m)
Max Span142.4 ft (43.4 m)
Deck Width41.0 ft (12.5 m)
Deck Area566.2 sq m
Main Spans1
Year Built2016

Traffic

Avg Daily Traffic20,100 (2005)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number5707854

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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