Structure 148890 · Emmet County, IA

Local over E Fork Des Moines River

Carries Local over E Fork Des Moines River, 0100321105.

Overall conditionPoor

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT62 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 4/9 · sets the ratingSubstructure 5/9

62 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 through truss.

Built1914rebuilt 1923
Length62.0 ft18.9 m
Daily traffic26counted 2022
Last inspectedAugust 2023every 24 months

Location

StateIowa
CountyEmmet
Location0100321105
CarriesLocal
CrossesE Fork Des Moines River
Coordinates43.48869, -94.58201

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length62.0 ft (18.9 m)
Max Span60.0 ft (18.3 m)
Deck Width16.1 ft (4.9 m)
Deck Area92.6 sq m
Main Spans1
Year Built1914 (reconstructed 1923)

Traffic

Avg Daily Traffic26 (2022)
Truck Traffic15%
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number000000000148890

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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