Structure 40118 · Allen County, IN

I-69 over Graham Mccullough Dit #4

Carries I-69 over Graham Mccullough Dit #4, 03.20 S US 24.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT27 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 27 ft across with 3 openings. Lengths and the car 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, so those are drawn as typical for a culvert.

Built1964rebuilt 2018
Length27.2 ft8.3 m
Daily traffic36,360counted 2019
Last inspectedMarch 2024every 24 months

Location

StateIndiana
CountyAllen
Location03.20 S US 24
CarriesI-69
CrossesGraham Mccullough Dit #4
Coordinates40.98718, -85.27140

Physical Characteristics

MaterialOther
DesignCulvert
Total Length27.2 ft (8.3 m)
Max Span7.9 ft (2.4 m)
Deck Width79.7 ft (24.3 m)
Deck Area201.7 sq m
Main Spans3
Year Built1964 (reconstructed 2018)

Traffic

Avg Daily Traffic36,360 (2019)
Truck Traffic19%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number040118

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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