Structure 606515 · Dallas County, IA

Ia 210 over Ia 141

Carries Ia 210 over Ia 141, At Jct. Of Ia #141.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT246 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

246 ft end to end, longest span 125 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built199729 years old
Length246.1 ft75 m
Daily traffic1,850counted 2022
Last inspectedOctober 2023every 24 months

Location

StateIowa
CountyDallas
LocationAt Jct. Of Ia #141
CarriesIa 210
CrossesIa 141
Coordinates41.83453, -93.92179

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length246.1 ft (75 m)
Max Span125.0 ft (38.1 m)
Deck Width43.3 ft (13.2 m)
Deck Area990 sq m
Main Spans2
Year Built1997

Traffic

Avg Daily Traffic1,850 (2022)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000606515

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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