Structure 39315400000000 · Jackson County, IL

Fas 1923 over Cave Creek

Carries Fas 1923 over Cave Creek, West Edge Of Pomona.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT111 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

111 ft end to end, longest span 35 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 channel-beam bridge.

Built198244 years old
Length110.6 ft33.7 m
Daily traffic150counted 2022
Last inspectedOctober 2022every 48 months

Location

StateIllinois
CountyJackson
LocationWest Edge Of Pomona
CarriesFas 1923
CrossesCave Creek
Coordinates37.62883, -89.34130

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length110.6 ft (33.7 m)
Max Span35.1 ft (10.7 m)
Deck Width26.2 ft (8 m)
Deck Area269.6 sq m
Main Spans3
Year Built1982

Traffic

Avg Daily Traffic150 (2022)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number039315400000000

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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