Structure 197210 · Jasper County, IA

S 52nd AVE W over Small Stream

Carries S 52nd AVE W over Small Stream, 079202303.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
20 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

20 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built194779 years old
Length20.0 ft6.1 m
Daily traffic11counted 2022
Last inspectedApril 2023every 24 months

Location

StateIowa
CountyJasper
Location079202303
CarriesS 52nd AVE W
CrossesSmall Stream
Coordinates41.64448, -93.14053

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length20.0 ft (6.1 m)
Max Span19.0 ft (5.8 m)
Deck Width16.1 ft (4.9 m)
Deck Area29.9 sq m
Main Spans1
Year Built1947

Traffic

Avg Daily Traffic11 (2022)
Lanes On Bridge1

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000000197210

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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