Structure 49660 · Dearborn County, IN

I-275 over Ohio River Csx Rr CR

Carries I-275 over Ohio River Csx Rr CR, 00.00 Ohio River.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT4,051 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 4/9 · sets the ratingSubstructure 5/9

4,051 ft end to end, longest span 750 ft: about 11 football fields. 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 through truss.

Built197650 years old
Length4051.2 ft1234.8 m
Daily traffic40,222counted 2017
Last inspectedJuly 2022every 24 months

Location

StateIndiana
CountyDearborn
Location00.00 Ohio River
CarriesI-275
CrossesOhio River Csx Rr CR
Coordinates39.10417, -84.82583

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Thru
Total Length4051.2 ft (1234.8 m)
Max Span749.7 ft (228.5 m)
Deck Width65.6 ft (20 m)
Deck Area24,696 sq m
Main Spans3
Year Built1976

Traffic

Avg Daily Traffic40,222 (2017)
Truck Traffic15%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJuly 2022
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical7 — Countermeasures installed
Structure Number049660

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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