Structure 40750 · Steuben County, IN

I-69 NB over In Northeastern Rr

Carries I-69 NB over In Northeastern Rr, 00.25 N SR 4.

Overall conditionGood

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

How ratings work
Decksets the rating8/9 · Very Good
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 FT155 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

155 ft end to end, longest span 60 ft: 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.

Built1963rebuilt 2019
Length154.5 ft47.1 m
Daily traffic11,914counted 2022
Last inspectedMarch 2023every 24 months

Location

StateIndiana
CountySteuben
Location00.25 N SR 4
CarriesI-69 NB
CrossesIn Northeastern Rr
Coordinates41.53074, -85.05547

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length154.5 ft (47.1 m)
Max Span59.7 ft (18.2 m)
Deck Width51.5 ft (15.7 m)
Deck Area739.5 sq m
Main Spans3
Year Built1963 (reconstructed 2019)

Traffic

Avg Daily Traffic11,914 (2022)
Truck Traffic32%
Lanes On Bridge3

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number040750

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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