Structure 5707404 · Montgomery County, OH

NB Ir-75 Off Ramp over Albany ST Ramp=st-i75*n

Carries NB Ir-75 Off Ramp over Albany ST Ramp=st-i75*n, .13mi.s. Of Jct. Usr-35.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck9/9 · Excellent
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT330 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 8/9Substructure 7/9 · sets the rating

330 ft end to end, longest span 62 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.

Built196858 years old
Length330.1 ft100.6 m
Daily traffic84,390counted 1972
Last inspectedJune 2024every 24 months

Location

StateOhio
CountyMontgomery
Location.13mi.s. Of Jct. Usr-35
CarriesNB Ir-75 Off Ramp
CrossesAlbany ST Ramp=st-i75*n
Coordinates39.74577, -84.20464

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length330.1 ft (100.6 m)
Max Span62.0 ft (18.9 m)
Deck Width44.3 ft (13.5 m)
Deck Area1358.1 sq m
Main Spans6
Year Built1968

Traffic

Avg Daily Traffic84,390 (1972)
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number5707404

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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