Structure 86302400000000 · Scott County, IL

Ch 5 over Little Sandy Creek

Carries Ch 5 over Little Sandy Creek, 1 Mi S Glasgow.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT104 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 4/9 · sets the ratingSubstructure 6/9

104 ft end to end, longest span 49 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 box-beam bridge.

Built196858 years old
Length104.0 ft31.7 m
Daily traffic150counted 2020
Last inspectedSeptember 2023every 24 months

Location

StateIllinois
CountyScott
Location1 Mi S Glasgow
CarriesCh 5
CrossesLittle Sandy Creek
Coordinates39.53855, -90.48353

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length104.0 ft (31.7 m)
Max Span48.9 ft (14.9 m)
Deck Width24.0 ft (7.3 m)
Deck Area231.4 sq m
Main Spans2
Year Built1968

Traffic

Avg Daily Traffic150 (2020)
Truck Traffic32%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number086302400000000

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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