Structure 323771 · Taylor County, IA

Local over Middle 102 River

Carries Local over Middle 102 River, 070341202.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 3 of 9.

How ratings work
Deck5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating3/9 · Serious
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT96 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 6/9Substructure 3/9 · sets the rating

96 ft end to end, longest span 32 ft. 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.

Built1972rebuilt 1977
Length96.1 ft29.3 m
Daily traffic11counted 2021
Last inspectedJune 2024every 12 months

Location

StateIowa
CountyTaylor
Location070341202
CarriesLocal
CrossesMiddle 102 River
Coordinates40.87568, -94.71904

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length96.1 ft (29.3 m)
Max Span32.2 ft (9.8 m)
Deck Width20.3 ft (6.2 m)
Deck Area181.7 sq m
Main Spans3
Year Built1972 (reconstructed 1977)

Traffic

Avg Daily Traffic11 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000000323771

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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