Structure 41376200000000 · Jefferson County, IL

Two Mile Creek LN over Two Mile Creek

Carries Two Mile Creek LN over Two Mile Creek, 2 Mi SE Mt Vernon.

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT74 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

74 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 slab bridge.

Built20197 years old
Length73.8 ft22.5 m
Daily traffic175counted 2021
Last inspectedJune 2022every 48 months

Location

StateIllinois
CountyJefferson
Location2 Mi SE Mt Vernon
CarriesTwo Mile Creek LN
CrossesTwo Mile Creek
Coordinates38.31870, -88.82162

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length73.8 ft (22.5 m)
Max Span71.2 ft (21.7 m)
Deck Width24.0 ft (7.3 m)
Deck Area164.2 sq m
Main Spans1
Year Built2019

Traffic

Avg Daily Traffic175 (2021)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2022
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number041376200000000

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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