Structure 40326800000000 · Jasper County, IL

Tr 319 over Fox River

Carries Tr 319 over Fox River, 3 Mi N W Liberty.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT80 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

80 ft end to end, longest span 31 ft. 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 box-beam bridge.

Built201412 years old
Length80.1 ft24.4 m
Daily traffic125counted 2021
Last inspectedNovember 2021every 48 months

Location

StateIllinois
CountyJasper
Location3 Mi N W Liberty
CarriesTr 319
CrossesFox River
Coordinates38.89192, -88.10996

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length80.1 ft (24.4 m)
Max Span30.8 ft (9.4 m)
Deck Width27.9 ft (8.5 m)
Deck Area207.4 sq m
Main Spans3
Year Built2014

Traffic

Avg Daily Traffic125 (2021)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2021
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number040326800000000

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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