Structure 133381 · Davis County, IA

FM over Little Fox Creek

Carries FM over Little Fox Creek, 068122604.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT98 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

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

Built200323 years old
Length98.1 ft29.9 m
Daily traffic80counted 2022
Last inspectedMay 2022every 48 months

Location

StateIowa
CountyDavis
Location068122604
CarriesFM
CrossesLittle Fox Creek
Coordinates40.66567, -92.20510

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length98.1 ft (29.9 m)
Max Span95.1 ft (29 m)
Deck Width26.6 ft (8.1 m)
Deck Area242.2 sq m
Main Spans1
Year Built2003

Traffic

Avg Daily Traffic80 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2022
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000133381

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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