Structure 24491 · Fayette County, IA

Ia 3 over Stream

Carries Ia 3 over Stream, 3.3 Mi. E Of Jct. Ia 150.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 28 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.

Built198838 years old
Length27.6 ft8.4 m
Daily traffic2,770counted 2022
Last inspectedJune 2023every 24 months

Location

StateIowa
CountyFayette
Location3.3 Mi. E Of Jct. Ia 150
CarriesIa 3
CrossesStream
Coordinates42.67993, -91.84760

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length27.6 ft (8.4 m)
Max Span7.9 ft (2.4 m)
Deck Area112.6 sq m
Main Spans3
Year Built1988

Traffic

Avg Daily Traffic2,770 (2022)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000024491

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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