Structure 83200200000000 · Saline County, IL

Ill 34 & 145 over Stream

Carries Ill 34 & 145 over Stream, 1.3 Mi N Of Ill 145.

Overall conditionPoor

Set by its lowest-rated component: Culvert at 4 of 9.

How ratings work
Culvertsets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT27 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 4/9

A culvert 27 ft across with 2 openings. 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, so those are drawn as typical for a culvert.

Built1924102 years old
Length26.6 ft8.1 m
Daily traffic4,100counted 2023
Last inspectedJanuary 2025every 12 months

Location

StateIllinois
CountySaline
Location1.3 Mi N Of Ill 145
CarriesIll 34 & 145
CrossesStream
Coordinates37.65916, -88.53756

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length26.6 ft (8.1 m)
Max Span12.1 ft (3.7 m)
Deck Area59.1 sq m
Main Spans2
Year Built1924

Traffic

Avg Daily Traffic4,100 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number083200200000000

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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