Structure 283662 · Pottawattamie County, IA

Cottonwood RD over Jordan Creek

Carries Cottonwood RD over Jordan Creek, 074390301.

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 FT102 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

102 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 girder bridge.

Built20233 years old
Length102.0 ft31.1 m
Daily traffic34counted 2022
Last inspectedApril 2024every 48 months

Location

StateIowa
CountyPottawattamie
Location074390301
CarriesCottonwood RD
CrossesJordan Creek
Coordinates41.24550, -95.31439

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length102.0 ft (31.1 m)
Max Span99.1 ft (30.2 m)
Deck Width24.0 ft (7.3 m)
Deck Area227.0 sq m
Main Spans1
Year Built2023

Traffic

Avg Daily Traffic34 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000283662

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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