Structure 51375 · Monroe County, IN

I-69 Nbsb over Unt Indian Creek

Carries I-69 Nbsb over Unt Indian Creek, 1.90 N SR 445.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 22 ft across. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built201511 years old
Length22.3 ft6.8 m
Daily traffic25,635counted 2014
Last inspectedFebruary 2024every 24 months

Location

StateIndiana
CountyMonroe
Location1.90 N SR 445
CarriesI-69 Nbsb
CrossesUnt Indian Creek
Coordinates39.05947, -86.68184

Physical Characteristics

MaterialPrestressed Concrete
DesignCulvert
Total Length22.3 ft (6.8 m)
Max Span15.7 ft (4.8 m)
Deck Width139.8 ft (42.6 m)
Deck Area289.7 sq m
Main Spans1
Year Built2015

Traffic

Avg Daily Traffic25,635 (2014)
Truck Traffic15%
Lanes On Bridge4

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number051375

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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