Structure 11200 · Bremer County, IA

W 5th ST over Drainage

Carries W 5th ST over Drainage, 093112307.

Overall conditionPoor

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

How ratings work
Deck4/9 · Poor
Superstructure5/9 · Fair
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 FT64 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 5/9Substructure 3/9 · sets the rating

64 ft end to end, longest span 21 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.

Built195571 years old
Length64.0 ft19.5 m
Daily traffic275counted 2021
Last inspectedApril 2024every 12 months

Location

StateIowa
CountyBremer
Location093112307
CarriesW 5th ST
CrossesDrainage
Coordinates42.85158, -92.10226

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length64.0 ft (19.5 m)
Max Span21.0 ft (6.4 m)
Deck Width28.9 ft (8.8 m)
Deck Area171.6 sq m
Main Spans3
Year Built1955

Traffic

Avg Daily Traffic275 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 12 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalUnknown
Structure Number000000000011200

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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