Structure 31003800000000 · Greene County, IL

Il 108 over Hurricane Creek

Carries Il 108 over Hurricane Creek, 1.1 Mi W Fas 739.

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 FT85 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

85 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.

Built199927 years old
Length84.6 ft25.8 m
Daily traffic375counted 2023
Last inspectedJune 2024every 48 months

Location

StateIllinois
CountyGreene
Location1.1 Mi W Fas 739
CarriesIl 108
CrossesHurricane Creek
Coordinates39.29274, -90.56900

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length84.6 ft (25.8 m)
Max Span82.0 ft (25 m)
Deck Width34.8 ft (10.6 m)
Deck Area273.5 sq m
Main Spans1
Year Built1999

Traffic

Avg Daily Traffic375 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number031003800000000

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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