Structure 60017000000000 · Madison County, IL

Fairmont Lane over Fai 55/70/us 40

Carries Fairmont Lane over Fai 55/70/us 40, 1.86 Mi W Of Il 157.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT266 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 6/9

266 ft end to end, longest span 78 ft: about 4 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 cable-stayed bridge.

Built1960rebuilt 1984
Length266.1 ft81.1 m
Daily traffic1,050counted 2021
Last inspectedDecember 2024every 12 months

Location

StateIllinois
CountyMadison
Location1.86 Mi W Of Il 157
CarriesFairmont Lane
CrossesFai 55/70/us 40
Coordinates38.66953, -90.04202

Physical Characteristics

MaterialConcrete Continuous
DesignStayed Girder
Total Length266.1 ft (81.1 m)
Max Span78.1 ft (23.8 m)
Deck Width29.9 ft (9.1 m)
Deck Area738.0 sq m
Main Spans2
Year Built1960 (reconstructed 1984)

Traffic

Avg Daily Traffic1,050 (2021)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number060017000000000

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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