Structure 70430 · Vanderburgh County, IN

I-69 NB over Ind Southern Railroad

Carries I-69 NB over Ind Southern Railroad, 04.00 S I-64.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT240 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

240 ft end to end, longest span 97 ft: about 3 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.

Built198937 years old
Length239.8 ft73.1 m
Daily traffic11,201counted 2004
Last inspectedAugust 2023every 24 months

Location

StateIndiana
CountyVanderburgh
Location04.00 S I-64
CarriesI-69 NB
CrossesInd Southern Railroad
Coordinates38.11186, -87.47720

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length239.8 ft (73.1 m)
Max Span97.1 ft (29.6 m)
Deck Width43.0 ft (13.1 m)
Deck Area957.6 sq m
Main Spans3
Year Built1989

Traffic

Avg Daily Traffic11,201 (2004)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number070430

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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