Structure 90324300000000 · Tazewell County, IL

Zimmerly RD - Tr 3 over Little Mackinaw Rive

Carries Zimmerly RD - Tr 3 over Little Mackinaw Rive, SW Cor-24-t24nr2w.

Overall conditionGood

Set by its lowest-rated component: Superstructure and Substructure at 8 of 9.

How ratings work
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT29 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 8/9Substructure 8/9

29 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 rigid-frame bridge.

Built200719 years old
Length28.9 ft8.8 m
Daily traffic10counted 2023
Last inspectedJanuary 2022every 48 months

Location

StateIllinois
CountyTazewell
LocationSW Cor-24-t24nr2w
CarriesZimmerly RD - Tr 3
CrossesLittle Mackinaw Rive
Coordinates40.51459, -89.28666

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length28.9 ft (8.8 m)
Max Span24.0 ft (7.3 m)
Deck Width48.2 ft (14.7 m)
Deck Area129.4 sq m
Main Spans1
Year Built2007

Traffic

Avg Daily Traffic10 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2022
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number090324300000000

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.

Nearby Bridges