Structure 60008100000000 · Madison County, IL

Black Lane Ramp over Fai 70

Carries Black Lane Ramp over Fai 70, 2.15 Mi West Of 157.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure at 3 of 9.

How ratings work
Decksets the rating3/9 · Serious
Superstructuresets the rating3/9 · Serious
Substructure4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT244 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9 · sets the ratingSuperstructure 3/9 · sets the ratingSubstructure 4/9

244 ft end to end, longest span 81 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.

Built1960rebuilt 1984
Length244.4 ft74.5 m
Daily traffic475counted 2021
Last inspectedDecember 2024every 12 months

Location

StateIllinois
CountyMadison
Location2.15 Mi West Of 157
CarriesBlack Lane Ramp
CrossesFai 70
Coordinates38.66804, -90.04726

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length244.4 ft (74.5 m)
Max Span81.4 ft (24.8 m)
Deck Width27.6 ft (8.4 m)
Deck Area625.8 sq m
Main Spans4
Year Built1960 (reconstructed 1984)

Traffic

Avg Daily Traffic475 (2021)
Truck Traffic19%
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number060008100000000

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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