Structure 83006500000000 · Saline County, IL

US 45-fap 881 over Grassy Creek

Carries US 45-fap 881 over Grassy Creek, 1 Mi NE Stonefort.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT189 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 8/9

189 ft end to end, longest span 90 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck 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 multi-beam bridge.

Built200224 years old
Length188.6 ft57.5 m
Daily traffic2,000counted 2023
Last inspectedMay 2023every 48 months

Location

StateIllinois
CountySaline
Location1 Mi NE Stonefort
CarriesUS 45-fap 881
CrossesGrassy Creek
Coordinates37.63082, -88.68190

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length188.6 ft (57.5 m)
Max Span89.9 ft (27.4 m)
Deck Width36.7 ft (11.2 m)
Deck Area644 sq m
Main Spans2
Year Built2002

Traffic

Avg Daily Traffic2,000 (2023)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number083006500000000

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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