Structure 68319300000000 · Montgomery County, IL

Tr 374 over Hurricane CR

Carries Tr 374 over Hurricane CR, 2.8 Mi SE Witt.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 3 of 9.

How ratings work
Deck4/9 · Poor
Superstructure4/9 · Poor
Substructuresets the rating3/9 · Serious
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
23 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 3/9 · sets the rating

23 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a slab bridge.

Built1900126 years old
Length22.6 ft6.9 m
Daily traffic25counted 2020
Last inspectedNovember 2024every 24 months

Location

StateIllinois
CountyMontgomery
Location2.8 Mi SE Witt
CarriesTr 374
CrossesHurricane CR
Coordinates39.23049, -89.28810

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length22.6 ft (6.9 m)
Max Span21.7 ft (6.6 m)
Deck Width17.7 ft (5.4 m)
Deck Area37.3 sq m
Main Spans1
Year Built1900

Traffic

Avg Daily Traffic25 (2020)
Truck Traffic12%
Lanes On Bridge1

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number068319300000000

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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