Structure 15200700000000 · Coles County, IL

I-57 over Stream

Carries I-57 over Stream, 2.5 Mi NE Of US 45.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
23 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 23 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built196561 years old
Length23.0 ft7 m
Daily traffic19,800counted 2023
Last inspectedOctober 2023every 24 months

Location

StateIllinois
CountyColes
Location2.5 Mi NE Of US 45
CarriesI-57
CrossesStream
Coordinates39.45231, -88.33893

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length23.0 ft (7 m)
Max Span8.5 ft (2.6 m)
Deck Area162.4 sq m
Main Spans2
Year Built1965

Traffic

Avg Daily Traffic19,800 (2023)
Truck Traffic41%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number015200700000000

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.

Nearby Bridges