Structure 5706904 · Montgomery County, OH

Sellars Rd. over I75

Carries Sellars Rd. over I75, 2.46mi.s. Of Jct. Sr-741.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT279 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

279 ft end to end, longest span 78 ft: about 4 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.

Built196363 years old
Length278.5 ft84.9 m
Daily traffic1,139counted 2015
Last inspectedNovember 2024every 12 months

Location

StateOhio
CountyMontgomery
Location2.46mi.s. Of Jct. Sr-741
CarriesSellars Rd.
CrossesI75
Coordinates39.68755, -84.22969

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length278.5 ft (84.9 m)
Max Span78.4 ft (23.9 m)
Deck Width67.3 ft (20.5 m)
Deck Area1740.5 sq m
Main Spans9
Year Built1963

Traffic

Avg Daily Traffic1,139 (2015)
Truck Traffic4%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number5706904

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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