Structure 46343100000000 · Kankakee County, IL

Tr 173 over Crane Creek

Carries Tr 173 over Crane Creek, 1.25 Mi S Buckingham.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT58 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

58 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 box-beam bridge.

Built199036 years old
Length58.4 ft17.8 m
Daily traffic50counted 2020
Last inspectedMay 2024every 48 months

Location

StateIllinois
CountyKankakee
Location1.25 Mi S Buckingham
CarriesTr 173
CrossesCrane Creek
Coordinates41.02543, -88.17862

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length58.4 ft (17.8 m)
Max Span57.1 ft (17.4 m)
Deck Width26.9 ft (8.2 m)
Deck Area146.0 sq m
Main Spans1
Year Built1990

Traffic

Avg Daily Traffic50 (2020)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number046343100000000

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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