Structure 47068495 · Meade County, SD

I090 over Rcp&e Rr

Carries I090 over Rcp&e Rr, 1.6 NW Tilford Interch.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT65 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 65 ft across. 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.

Built1981rebuilt 2008
Length64.6 ft19.7 m
Daily traffic18,420counted 2023
Last inspectedFebruary 2024every 24 months

Location

StateSouth Dakota
CountyMeade
Location1.6 NW Tilford Interch
CarriesI090
CrossesRcp&e Rr
Coordinates44.32323, -103.43582

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length64.6 ft (19.7 m)
Max Span56.8 ft (17.3 m)
Deck Area457.0 sq m
Main Spans1
Year Built1981 (reconstructed 2008)

Traffic

Avg Daily Traffic18,420 (2023)
Truck Traffic12%
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 CriticalNot applicable
Structure Number000000047068495

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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