Structure 101309700000000 · Winnebago County, IL

Wheeler RD over Otter Creek

Carries Wheeler RD over Otter Creek, 1 Mi N Fritz Road.

Overall conditionFair

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

How ratings work
Superstructuresets the rating6/9 · Satisfactory
Substructure8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT77 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 6/9 · sets the ratingSubstructure 8/9

77 ft end to end, longest span 37 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 rigid-frame bridge.

Built200917 years old
Length77.1 ft23.5 m
Daily traffic525counted 2022
Last inspectedAugust 2023every 24 months

Location

StateIllinois
CountyWinnebago
Location1 Mi N Fritz Road
CarriesWheeler RD
CrossesOtter Creek
Coordinates42.44803, -89.28399

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length77.1 ft (23.5 m)
Max Span37.4 ft (11.4 m)
Deck Width29.9 ft (9.1 m)
Deck Area213.8 sq m
Main Spans2
Year Built2009

Traffic

Avg Daily Traffic525 (2022)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number101309700000000

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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