Structure 87995 · Butler County, IA

Local over West Fork Cedar River

Carries Local over West Fork Cedar River, 091180106.

Overall conditionFair

Set by its lowest-rated component: Culvert at 5 of 9.

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT53 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 53 ft across with 6 openings. 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, so those are drawn as typical for a culvert.

Built196264 years old
Length53.1 ft16.2 m
Daily traffic47counted 2022
Last inspectedMarch 2023every 24 months

Location

StateIowa
CountyButler
Location091180106
CarriesLocal
CrossesWest Fork Cedar River
Coordinates42.71573, -92.91311

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length53.1 ft (16.2 m)
Max Span7.9 ft (2.4 m)
Deck Width34.1 ft (10.4 m)
Deck Area168.5 sq m
Main Spans6
Year Built1962

Traffic

Avg Daily Traffic47 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000087995

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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