Structure 60334500000000 · Madison County, IL

Tr 80 Wolf RD over Lick Br

Carries Tr 80 Wolf RD over Lick Br, 1.25m N Of Alton.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT102 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

102 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 multi-beam bridge.

Built200818 years old
Length102.4 ft31.2 m
Daily traffic175counted 2021
Last inspectedFebruary 2023every 48 months

Location

StateIllinois
CountyMadison
Location1.25m N Of Alton
CarriesTr 80 Wolf RD
CrossesLick Br
Coordinates38.94658, -90.10384

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length102.4 ft (31.2 m)
Max Span100.1 ft (30.5 m)
Deck Width29.9 ft (9.1 m)
Deck Area283.9 sq m
Main Spans1
Year Built2008

Traffic

Avg Daily Traffic175 (2021)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number060334500000000

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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