Structure 90015600000000 · Tazewell County, IL

Camp ST To WB 74 over Mainst&wb74tonbsb116

Carries Camp ST To WB 74 over Mainst&wb74tonbsb116, 0.02 Mi NE 74.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT690 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 7/9

690 ft end to end, longest span 189 ft: about 1.9 football fields. Lengths and the semi-truck 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 multi-beam bridge.

Built200620 years old
Length690.0 ft210.3 m
Daily traffic5,200counted 2018
Last inspectedApril 2023every 24 months

Location

StateIllinois
CountyTazewell
Location0.02 Mi NE 74
CarriesCamp ST To WB 74
CrossesMainst&wb74tonbsb116
Coordinates40.66981, -89.57291

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length690.0 ft (210.3 m)
Max Span188.6 ft (57.5 m)
Deck Width29.2 ft (8.9 m)
Deck Area1871.7 sq m
Main Spans5
Year Built2006

Traffic

Avg Daily Traffic5,200 (2018)
Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge9

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number090015600000000

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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